galvanometer light
Date: circa 1910
Inventory Number: 0511
Classification: Light
Subject:
Maker: Leeds & Northrup Company (1903 - 1995)
User: Chemistry Laboratory, Harvard College (founded 1850)
Cultural Region:
Place of Origin:
City of Use:
Dimensions:
21.9 × 14.6 × 24.4 cm (8 5/8 × 5 3/4 × 9 5/8 in.)
Description:
A light bulb contained in cylindrical housing with a small tube protruding vertically which carries a leuse, moved along the tube for focusing. Mounted on a tripod stand with three leveling screws.
Signedon metal plaque on tripod base: LEEDS & NORTHRUP CO. / SCIENTIFIC INSTRUMENTS / PHILADELPHIA / SER. NO. 134170 / MADE IN U.S.A.
FunctionLight to be used with reflecting galvanometers.
ProvenanceFrom the Department of Chemistry, Harvard University, 10/10/1954.