Rocky, I hope that you will find the springs and against all odds it definitely could increase your chances if you would search outside of the
"ZIS, ZIL, and other Packard Cousins" - subcategory.
With your leave we should ask BigKev to move the thread into the postwar category.
The picture below shows the filler necks of an automatic control line for springs in Moscow. After hardening and tempering the springs passed through an electrical resistance measurement.
[picture source: Fortune Magazine 1961]Attach file:
(20.34 KB) (10.50 KB)
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