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Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
Moler Electric Line Calculator
Whitehead-Hoag for T.B. Dally
USA
Plastic
c. 1925
5.7 cm x 27.9 cm
Electric Industry
Notes:
1) Used to calculate line loss and power factor for 60 cycle electrical distribution lines 2) Slide rule has 2 slides
Image 1
Image 2
