Archive
of
Collections
Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
Spring Washer
Keuffel & Esser
USA
Plastic
© 1967
25 cm
"Spring Washer Computer"
Notes:
Rule aids in the design of spring washers.
A PDF Manual is available. Please click
HERE.
Image 1
Image 2
