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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
"Circular Log-Log Slide Rule ""Pierre Vernier"""
Designed and made by Dr. Oliver Steffens
Germany
Card Stock
2020
Dia. = 19.4 cm
Engineering calculatons
Notes:
General engineering and science calculations using spiral scales and a vernier cursor
Image 1