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Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
Weight Calculator for Steel
"M.H, Mear & Co. LTD."
England
Plastic
est. 1950-1960
Dia. = 19.1 cm
Weight of Steel
Notes:
"1) Used the calculate the weight of steel bars, disks, flat plates, cylinders, beams, channels, angles and tees 2) a very detailed instrument"
Image 1
Image 2
Image 3
