reflecting galvanometer scale
Date1900-1925
Inventory Number2007-1-0245
ClassificationGalvanometer Scale
Subject
Maker
American
?
Cultural Region
Dimensions5.1 × 52.7 × 0.6 cm (2 × 20 3/4 × 1/4 in.)
Material
DescriptionReflecting galvanometer scale (50 cm long) is stamped onto a 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
