In article ,
R.H. wrote:
Another set has just been posted:

http://puzzlephotos.blogspot.com/

502: Wire stripper/cutter.

503: Portable mining tool

504: Strain gauge

505: Safety pin

506: Another typewriter tool

507: Handle to a car jack
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There's no such thing as a free lunch, but certain accounting practices can
result in a fully-depreciated one.