Lantern Slide 65: The 1874 Transit of Venus party at the Old Observatory. The 26-inch refractor building in the background. Admiral Davis is behind the Coelostat (hat in hand), Simon Newcomb is seated. Between More
Lantern Slide 39: Old Naval Observatory, viewed from the north; about 1935.
Lantern Slide 7: Gate-keeper’s house for the C & O Canal. It was put up in 1835 at the eastern terminus of the canal. At the present it serves as a men’s room and a Park Police lodge on Constitution Avenue at 1 More
Lantern Slide 25: View of the Washington Channel, Hain’s Point, and the 14th Street bridge. Reclamation for the point was begun in 1890.
Lantern Slide 31: Virginia Avenue and Foggy Bottom around 1940. Public domain reproduction of lantern slide, free to use, no copyright restrictions image - Picryl description
Lantern Slide 12: Old Chain Bridge about 1861. Original bridge built before 1811 with chain suspension.
Lantern Slide 38: Photograph of the old observatory from the north about 1888. Note the keystone above the door.
Lantern Slide 2: L’Enfant’s plan of Washington as prepared in 1791. It had wide publication.
Lantern Slide 34: Braddock Stone location looking toward Arlington. April 1965. Stone also used as a starting point. It bore a benchmark. Also used by Rev. Obediah Brown for church services.
Lantern Slide 4: Jefferson Pier or Stone; erected in 1792 at the precise center of the 10-mile square. A portion of the stone was accidentally removed and the remaining portion hidden by roadwork in 1872, mostl More
Lantern Slide 50: Old Naval Observatory looking northeast. The time ball* mast can be seen on top of the 9.6-inch refractor dome. *Not used at Obs. After 1884, but at old State, War, & Navy Bldg. The wing to th More
Lantern Slide 28: The culvert carrying Massachusetts Avenue over Rock Creek, 1908.
Lantern Slide 44: The west wing of the old observatory as it appears in 1964.
Lantern Slide 10: The Capitol as it appeared in 1861, with the Washington Canal in the foreground. The Riber Canal was begun in 1808.
Lantern Slide 43: The west wing of the old observatory as it appears in 1964.
Lantern Slide 32: Map of old U.S. Naval Observatory grounds and buildings, 24th and E Streets N.W. Main Building, the East, South and West wings erected in 1843.
antern Slide 20: Capstone and aluminum tip of the Washington Monument. The stone was set December 6, 1884 during a howling gale. The stone weighs 3300 pounds.
Lantern Slide 17: The Washington Monument and Agriculture Building in 1876. The ponds near the base of the Monument were formed when the Washington Canal was filled and B Street, the present day Constitution Av More
Lantern Slide 41: View of the front of the old observatory taken in 1964.
Lantern Slide 40: Keystone from the doorway of the old observatory in its present location on the landing of the stairway in the lobby of the Main Building. April 1965.
Lantern Slide 9: A map of the Civil War fortifications surrounding Washington.
Lantern Slide 48: The west wing of the old observatory from the south. At the left is the old photoheliograph, originally purchased for the Transit of Venus expedition in 1874. Photo about 1888.
Lantern Slide 11: The Baltimore & Ohio Railroad Station, near the present Peace Monument (New Jersey Avenue and C Street N.W.), just northwest of the Capitol. This railroad was first started in 1835.
Lantern Slide 1: Map of Washington area in 1792.
Lantern Slide 42: West wing of the old Naval Observatory as viewed from the front (north); 1888. The extreme right portion was added in 1868 to house the 8 ½-inch transit circle made by Pistor-Martins. The smal More
Lantern Slide 15: The Long Bridge in 1865. Its first predecessor was opened in 1809, partly destroyed in 1814, rebuilt in 1816, purchased and rebuilt by the Government in 1832, destroyed by ice in 1836, restore More
Lantern Slide 16: Aqueduct Bridge and the C & O Canal, 1867. Open to canal traffic in 1843. It was first drained during the Civil War and used as a bridge. Rebuilt in 1888. Used until Key Bridge was completed i More
Lantern Slide 8: Pennsylvania Avenue, looking toward the White House, in 1843.
Lantern Slide 36: Drawing of the old Naval Observatory as it appeared about 1880.
Lantern Slide 13: Cattle on the Washington Monument grounds in 1863. Photograph by Mathew Brady.
Lantern Slide 46: Inside what was the 8 ½-inch transit house of the old observatory, June 1964.
Lantern Slide 3: The 16th Street Boundary Stone. Public domain reproduction of lantern slide, free to use, no copyright restrictions image - Picryl description
Lantern Slide 24: View of the 14th Street bridge area from the Washington Monument. Late 1920s or early 1930s.
Lantern Slide 45: Present view of the interior of the west wing of the old observatory where the 5.3-inch transit instrument was used from 1845 to 1864. View of the north shutter.
Lantern Slide 8A: Pennsylvania Avenue, looking toward the White House, in 1843.
Lantern Slide 6: The Capitol Building as seen from Pennsylvania Avenue in 1831. While this was being built, Congress met in the “Brick Capitol” which stood where the Supreme Court now stands. The dome in this s More
Lantern Slide 19: Capstone and aluminum tip of the Washington Monument. The stone was set December 6, 1884 during a howling gale. The stone weighs 3300 pounds.
Lantern Slide 49: The west wing of the old observatory, June 1964.
Lantern Slide 47: The 8 ½-inch transit house from the rear (south). Thermometer shelter is foreground. 1888.
Lantern Slide 18: Dedication of the Washington Monument February 21, 1885.
Lantern Slide 37: Present site of the old observatory from 23rd Street and Virginia Avenue, April 1965.
Lantern Slide 27: Preparing for construction of the reflecting pool in about 1920. The Lincoln Memorial was dedicated in 1922. Arlington wireless towers at the left.
Lantern Slide 23: A view of Washington City from Georgetown. Late 1800s.
Lantern Slide 26: The Mall and the Capitol in 1890, showing the Baltimore & Potomac railroad depot and the tracks across the mall. Also the Botanic Gardens. The depot was built in the 1870s at 6th and B Streets More
Lantern Slide 33: Present view of location of the Braddock Stone with old observatory grounds in view.
Lantern Slide 30: Virginia Avenue and Foggy Bottom after 1903, but before 1923 (when the Key Bridge was built).
Lantern Slide 29: Virginia Avenue and Foggy Bottom. Photo labeled 1885. John Van Ness mansion and race track in foreground Mansion designed by Latrobe. David Burns’ cottage behind.
Lantern Slide 14: The State Department at the center and the Treasury at the left in this photograph by Mathew Brady in 1856. This of course was prior to the construction of the old State, War and Navy Building More
Lantern Slide 21: A drawing of Washington in the late 1800s. The Patent Office (Later the Civil Service Commission Building and now a portrait gallery) was started in 1840 and completed in 1867. It spawned the More
Lantern Slide 22: A drawing of Washington in the late 1800s.