probably after Louis Berthet (French, active Paris, late 18th century) Public domain scan of French 17th-century print, free to use, no copyright restrictions image - Picryl description
25th Congress, 2d session. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 231, Folder 17.
Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 27, Folder 33.
Design drawings for a hydrostatic motor capable of up to 100,000 horse power, for use in air, sea and land transportation, invented by J.B. Metivier in 1867. (Source: A.G. Renstrom, LC staff, 1981-82). Tissand More
Blind stamp on lower right: Photo by Richard W. Sears, Boston. Forms part of: Gilbert H. Grosvenor Collection of Photographs of the Alexander Graham Bell Family (Library of Congress).
Photographer: Keystone View Co. Airplanes - Radio Equipment Public domain photograph related to development of telegraph, free to use, no copyright restrictions image - Picryl description