624. The 5" strip on the tape-rule is for inside measurements.
625. Wagon wheel hub
626. Dead drop spike, used by spies as a hiding place for info to be picked
up by someone else.
627. Bone folder.
628. Bearing scraper
629. Pinball launcher
Lots of links and a couple new photos are up on the answer page:
http://pzphotosan110k.blogspot.com/
