What about #452?
#452. Used to test voltage of indivdual cells in 6V car batteries.
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Billy Hiebert
HIEBERT SCULPTURE WORKS
Small Part Injection Molding
http://www.hieberts.com

R.H. wrote:
Five of the six have been correctly answered:





454. Telephone amplifier

455.

456. Archery release mechanism

457. Hay knife

458. Netting needle

459. Seed stripper

One more photo and a link can be found on the answer page:

http://pzphotosan82tn.blogspot.com/

Number 455 is a tool that was used outdoors, mostly on a farm or ranch.


Rob