Archive
of
Collections
Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
M.H. Mear Spring Slide Rule
M.H. Mear & Company
UK
Plastic
est 1970's
dia = 20 cm
Heical Springs Design
Notes:
"Used to calculate rate, load & deflection side A and Stress in tension or compression on side B"
Image 1
Image 2
