emile berliner collection 1871 1965 series 9 notes and papers 1877 1928

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Bell's Magneto system 1876 - Public domain document scan of drawing

Bell's Magneto system 1876 - Public domain document scan of drawing

Note is attached to card: "11. Bell's Magneto system 1876." Card contains cropping marks in pencil; may have been used as a book illustration. Card with drawing of Bell's Magneto system, June 1876.

Essay on the merging of Bell's magnetic receiver with Berliner's battery transmitter

Essay on the merging of Bell's magnetic receiver with Berliner's batte...

Typescript. Brief essay describes how the merging of Alexander Graham Bell's magnetic receiver with Emile Berliner's battery transmitter created a product which has not been improved upon to the date the essay ... More

Poem in German motion picture, Emile Berliner radio broadcasting collection

Poem in German motion picture, Emile Berliner radio broadcasting colle...

Handwritten. Public domain scan of a poetry manuscript, poem, free to use, no copyright restrictions image - Picryl description.

Card of Constantin Fahlberg, Emile Berliner radio broadcasting collection

Card of Constantin Fahlberg, Emile Berliner radio broadcasting collect...

Note attached to card reads "3." followed by the statement in the summary field. Card of Constantin Fahlberg (afterwards discoverer of Saccharine) for whom Berliner worked in 1875. The card identifies him as an... More

Berliner's battery system 1877 - Public domain document scan of drawing

Berliner's battery system 1877 - Public domain document scan of drawin...

Note attached to card: "12. Berliner's battery system 1877." Notes on back of card indicate that it may have been used as a book illustration. Card contains drawing of Berliner's battery system (microphone), April 1877.

Note, 1883 Nov. 29 - Public domain document scan of drawing

Note, 1883 Nov. 29 - Public domain document scan of drawing

Sheet contains drawing of apparatus. Notes on a glass globe into which a carbon tube is stuck onto a wooden base. Oxygen is put into globe when the carbon is made red hot.

Note on experiment with candle, 1884 Nov. 20?

Note on experiment with candle, 1884 Nov. 20?

Note detailing experiment with a candle, metal tube and asbestos diaphragm.

Note on siphoning gas jet, 1884 May 24

Note on siphoning gas jet, 1884 May 24

Letterhead on paper: "Washington Gas Light Company." Idea of siphoning a gas jet in a street lamp.

Note on broken-point microphone, 1884 March 11

Note on broken-point microphone, 1884 March 11

Details experiment using a broken-point microphone.

Note on battery experiment, 1884 Feb. 6

Note on battery experiment, 1884 Feb. 6

Details experiment with electric battery.

Note on experiment, 1891 March? 18

Note on experiment, 1891 March? 18

Drawing of galvanometer with caption: "Will the heat passing through the cloth cause a current of E through galvanometer?"

Wonders motion picture, Emile Berliner radio broadcasting collection

Wonders motion picture, Emile Berliner radio broadcasting collection

Essay describing the wonders that are found in everyday occurrences of science principles. Typescript copy of original. Copy 1.

Microphonic air-gap motion picture

Microphonic air-gap motion picture

Copy 2. Copy of typescript on letterhead bearing Emile Berliner's name and address. Details Berliner's participation in the invention of the microphone and how he arrived at the conclusion that it works on the ... More

A tribute to Emile Berliner on the occasion of his seventy-fifth birthday

A tribute to Emile Berliner on the occasion of his seventy-fifth birth...

Copy 5. The board of directors of the Association for the Prevention of Tuberculosis of the District of Columbia offer Berliner a tribute on his birthday.

Age-old problem solved, Emile Berliner radio broadcasting collection

Age-old problem solved, Emile Berliner radio broadcasting collection

Letterhead on paper: "Acoustic Tile Company, patentees and makers of Berliner's resonant walls." Publicity sheet promoting Berliner's acoustic cement cells to improve sound in halls.

General statement motion picture

General statement motion picture

Typescript. Letterhead is that of Bureau of Health Education, with Emile Berliner as secretary. The Bureau of Health Education complains that it has been denied the addresses of new mothers, and thus, cannot ed... More

Berliner's wishes for when he dies

Berliner's wishes for when he dies

Copy of handwritten note. Letterhead reads "Emile Berliner" with his address. Handwritten statement by Berliner detailing what kind of funeral he wishes and offering a closing note to his children and grandchildren.

Agreement between Joseph and Jacob Berliner to form J. Berliner Co

Agreement between Joseph and Jacob Berliner to form J. Berliner Co

Originally housed in Goldmann/Berliner collection, file #6. Agreement between Joseph and Jacob Berliner to form a "technical business" called J. Berliner Co.

Memorandum, September, 1877 motion picture

Memorandum, September, 1877 motion picture

Adhered to page 4 is a newspaper article entitled "About Microphone Receivers," dated April 28, 1888. Memo was possibly inside envelope with "Bell Telephone Company" letterhead, with "Revolving Contact Receiver... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony inventions

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony in...

May have been inside envelope addressed to Houghton Mifflin & Co., "re Watson's article, 1916." Drawing of invention attached. Document asserts Emile Berliner's claims to have invented improvements to telephony... More

Notes for electric telescope, 1880 Feb. 27

Notes for electric telescope, 1880 Feb. 27

Written on back of printed sheet. Brief notes and drawing of electric telescope invention with signatures of two witnesses.

Note on battery experiment, 1884 Oct. 3

Note on battery experiment, 1884 Oct. 3

Written on the back of printed text. Note detailing battery experiment.

Note on idea for battery, 1884 Sept. 30

Note on idea for battery, 1884 Sept. 30

Written on the back of printed text. Idea for a battery: take caustic potash, melt it and immerse into an iron and a carbon electrode.

Note on producing a tremulo i.e. tremolo on a violin, 1884 Sept. 26

Note on producing a tremulo i.e. tremolo on a violin, 1884 Sept. 26

Note contains Cora Berliner's signature as a witness. Notes on producing a tremolo on a violin and on making a violin sing.

Note on battery, 1884 Sept. 30, Emile Berliner radio broadcasting collection

Note on battery, 1884 Sept. 30, Emile Berliner radio broadcasting coll...

Written on the back of printed text. Note on making a battery out of croon, carbon, and a mixture of chemicals.

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Wonders motion picture, Emile Berliner radio broadcasting collection

Wonders motion picture, Emile Berliner radio broadcasting collection

Handwritten. Essay describing the wonders that are found in everyday occurrences of science principles.

Note on producing E by passage of light through electrolyte and magnetic field, 1906 July 15

Note on producing E by passage of light through electrolyte and magnet...

Letterhead on page: "Mooselookmeguntic House, Theo. L. Page." Details his proposal to transform light into E (presumably, electricity).

The final development of the Blake Transmitter

The final development of the Blake Transmitter

Typescript; first page reads "copy." Contains Emile Berliner's signature at the end of the paper. Essay on the invention of the Blake Transmitter.

Friends of the radio audience, Emile Berliner radio broadcasting collection

Friends of the radio audience, Emile Berliner radio broadcasting colle...

Handwritten note at top of leaf 1: "at W.R.C., evening Apr 14, 1927." Typescript. Speech about Berliner's invention of the microphone.

Eulogy for Emile Berliner, Emile Berliner radio broadcasting collection

Eulogy for Emile Berliner, Emile Berliner radio broadcasting collectio...

Eulogy presumably written for Berliner's funeral and burial.

Agreement between Joseph and Jacob Berliner to form J. Berliner Co

Agreement between Joseph and Jacob Berliner to form J. Berliner Co

Originally housed in Goldmann/Berliner collection, file #6. Agreement between Joseph and Jacob Berliner to form a "technical business" called J. Berliner Co.

Memorandum, September, 1877 motion picture

Memorandum, September, 1877 motion picture

Adhered to page 4 is a newspaper article entitled "About Microphone Receivers," dated April 28, 1888. Memo was possibly inside envelope with "Bell Telephone Company" letterhead, with "Revolving Contact Receiver... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony inventions

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony in...

May have been inside envelope addressed to Houghton Mifflin & Co., "re Watson's article, 1916." Drawing of invention attached. Document asserts Emile Berliner's claims to have invented improvements to telephony... More

Notes for electric telescope, 1880 Feb. 27

Notes for electric telescope, 1880 Feb. 27

Written on back of printed sheet. Brief notes and drawing of electric telescope invention with signatures of two witnesses.

Note on battery, 1884 Sept. 30, Emile Berliner radio broadcasting collection

Note on battery, 1884 Sept. 30, Emile Berliner radio broadcasting coll...

Written on the back of printed text. Note on making a battery out of croon, carbon, and a mixture of chemicals.

Note on producing a tremulo i.e. tremolo on a violin, 1884 Sept. 26

Note on producing a tremulo i.e. tremolo on a violin, 1884 Sept. 26

Note contains Cora Berliner's signature as a witness. Notes on producing a tremolo on a violin and on making a violin sing.

Note on idea for battery, 1884 Sept. 30

Note on idea for battery, 1884 Sept. 30

Written on the back of printed text. Idea for a battery: take caustic potash, melt it and immerse into an iron and a carbon electrode.

Note on battery experiment, 1884 Oct. 3

Note on battery experiment, 1884 Oct. 3

Written on the back of printed text. Note detailing battery experiment.

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Wonders motion picture, Emile Berliner radio broadcasting collection

Wonders motion picture, Emile Berliner radio broadcasting collection

Handwritten. Essay describing the wonders that are found in everyday occurrences of science principles.

Note on producing E by passage of light through electrolyte and magnetic field, 1906 July 15

Note on producing E by passage of light through electrolyte and magnet...

Letterhead on page: "Mooselookmeguntic House, Theo. L. Page." Details his proposal to transform light into E (presumably, electricity).

The final development of the Blake Transmitter

The final development of the Blake Transmitter

Typescript; first page reads "copy." Contains Emile Berliner's signature at the end of the paper. Essay on the invention of the Blake Transmitter.

Friends of the radio audience, Emile Berliner radio broadcasting collection

Friends of the radio audience, Emile Berliner radio broadcasting colle...

Handwritten note at top of leaf 1: "at W.R.C., evening Apr 14, 1927." Typescript. Speech about Berliner's invention of the microphone.

Eulogy for Emile Berliner, Emile Berliner radio broadcasting collection

Eulogy for Emile Berliner, Emile Berliner radio broadcasting collectio...

Eulogy presumably written for Berliner's funeral and burial.

Agreement between Joseph and Jacob Berliner to form J. Berliner Co

Agreement between Joseph and Jacob Berliner to form J. Berliner Co

Originally housed in Goldmann/Berliner collection, file #6. Agreement between Joseph and Jacob Berliner to form a "technical business" called J. Berliner Co.

Memorandum, September, 1877 motion picture

Memorandum, September, 1877 motion picture

Adhered to page 4 is a newspaper article entitled "About Microphone Receivers," dated April 28, 1888. Memo was possibly inside envelope with "Bell Telephone Company" letterhead, with "Revolving Contact Receiver... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony inventions

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony in...

May have been inside envelope addressed to Houghton Mifflin & Co., "re Watson's article, 1916." Drawing of invention attached. Document asserts Emile Berliner's claims to have invented improvements to telephony... More

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Wonders motion picture, Emile Berliner radio broadcasting collection

Wonders motion picture, Emile Berliner radio broadcasting collection

Handwritten. Essay describing the wonders that are found in everyday occurrences of science principles.

The final development of the Blake Transmitter

The final development of the Blake Transmitter

Typescript; first page reads "copy." Contains Emile Berliner's signature at the end of the paper. Essay on the invention of the Blake Transmitter.

Eulogy for Emile Berliner, Emile Berliner radio broadcasting collection

Eulogy for Emile Berliner, Emile Berliner radio broadcasting collectio...

Eulogy presumably written for Berliner's funeral and burial.

Memorandum, September, 1877 motion picture

Memorandum, September, 1877 motion picture

Adhered to page 4 is a newspaper article entitled "About Microphone Receivers," dated April 28, 1888. Memo was possibly inside envelope with "Bell Telephone Company" letterhead, with "Revolving Contact Receiver... More

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony inventions

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony in...

May have been inside envelope addressed to Houghton Mifflin & Co., "re Watson's article, 1916." Drawing of invention attached. Document asserts Emile Berliner's claims to have invented improvements to telephony... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Wonders motion picture, Emile Berliner radio broadcasting collection

Wonders motion picture, Emile Berliner radio broadcasting collection

Handwritten. Essay describing the wonders that are found in everyday occurrences of science principles.

The final development of the Blake Transmitter

The final development of the Blake Transmitter

Typescript; first page reads "copy." Contains Emile Berliner's signature at the end of the paper. Essay on the invention of the Blake Transmitter.

Eulogy for Emile Berliner, Emile Berliner radio broadcasting collection

Eulogy for Emile Berliner, Emile Berliner radio broadcasting collectio...

Eulogy presumably written for Berliner's funeral and burial.

Memorandum, September, 1877 motion picture

Memorandum, September, 1877 motion picture

Adhered to page 4 is a newspaper article entitled "About Microphone Receivers," dated April 28, 1888. Memo was possibly inside envelope with "Bell Telephone Company" letterhead, with "Revolving Contact Receiver... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony inventions

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony in...

May have been inside envelope addressed to Houghton Mifflin & Co., "re Watson's article, 1916." Drawing of invention attached. Document asserts Emile Berliner's claims to have invented improvements to telephony... More

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Wonders motion picture, Emile Berliner radio broadcasting collection

Wonders motion picture, Emile Berliner radio broadcasting collection

Handwritten. Essay describing the wonders that are found in everyday occurrences of science principles.

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony inventions

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony in...

May have been inside envelope addressed to Houghton Mifflin & Co., "re Watson's article, 1916." Drawing of invention attached. Document asserts Emile Berliner's claims to have invented improvements to telephony... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony inventions

Document, 1879 Jan. 8, stating Emile Berliner's claims to telephony in...

May have been inside envelope addressed to Houghton Mifflin & Co., "re Watson's article, 1916." Drawing of invention attached. Document asserts Emile Berliner's claims to have invented improvements to telephony... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

Legal documents and notes in German, 1887-1891

Legal documents and notes in German, 1887-1891

Formerly in mylar sleeve labeled: "--with-drawal of suit against Jacob B. Testament 7.21.87. Mr. Hahn Jacob's father in law. 8.26 1890 Proxy for Emile. 1.22.1891 liquidation of company Ehrlich and Berliner. Dis... More

Notes on experiments, 1879 June 24-Dec.16

Notes on experiments, 1879 June 24-Dec.16

Last two pages and a note on leaf 13 may have been written by someone other than Berliner. Record of experiments on telephone transmitters made by J. B. Kerick, Jr., and E. Berliner in Boston.

Experiment log, 1886 July 18-Oct. 31

Experiment log, 1886 July 18-Oct. 31

Details experiments for telephonic transmitters.

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