reflecting galvanometer scale
Date1900-1925
Inventory Number2007-1-0243
ClassificationGalvanometer Scale
Subject
Maker
American
?
Cultural Region
Dimensions5 × 52.6 × 0.7 cm (1 15/16 × 20 11/16 × 1/4 in.)
Material
DescriptionReflecting galvanometer scale (50 cm long) is stamped onto a greenish glass plank. One side is frosted glass; the other polished.
Signedunsigned
Leeds & Northrup Company
Date: circa 1920
Object number: 0556b
L. E. Knott Apparatus Company
Date: circa 1906
Object number: 2007-1-0238
