Stereograph

Stereograph, showing two views of the 26-inch refracting telescope made by Alvan Clark, installed at the US Naval Observatory in Washington DC in 1873.
Sepia, mounted on card, inside envelope.

Object Details

ID: AST0003
Collection: Astronomical and navigational instruments
Type: Stereograph
Display location: Not on display
Creator: Siebert, Albert
Date made: circa 1870
Credit: National Maritime Museum, Greenwich, London
Measurements: 178 mm x 114 mm