reflecting galvanometer scale
Datecirca 1940
Inventory Number2007-1-0235
ClassificationGalvanometer Scale
Subject
Maker
American
Cultural Region
Dimensions31.4 × 68.3 × 1.8 cm (12 3/8 × 26 7/8 × 11/16 in.)
Material
DescriptionCopper frame holds translucent plastic scale with reversed numerals. The frame is attached to a support rod.
Signedunsigned
L. E. Knott Apparatus Company
Date: circa 1912
Object number: 2007-1-0237
Leeds & Northrup Company
Date: circa 1905
Object number: 1997-1-0281
Leeds & Northrup Company
Date: circa 1905
Object number: 2007-1-0233
L. E. Knott Apparatus Company
Date: 1896-1900
Object number: 2007-1-0239
Leeds & Northrup Company
Date: 1910-1930
Object number: 1997-1-0279
L. E. Knott Apparatus Company
Date: circa 1906
Object number: 2007-1-0238
Leeds & Northrup Company
Accessories: light source clamped to base
Object number: 2012-1-0033
