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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear / Disk
LS-113
General Electric
USA
Card Stock
est. 1940 to 1960's
8.7 cm x 15.6 cm
Lighting Industry
Notes:
1) Used to calculate incandescent lamp light output for given voltage and current
Image 1
