For first time visitors I recommend this archive for some of my best posts.
1735. 3-1/2" diameter:
It's open along the side, hard to see but it contains a couple of mirrors:
1736. In the past few weeks two different visitors sent in these tools to be identified:
1737. 18" long:
1738. 10" tall:
1739. 3-3/8" long:
1740. Approximately 3" long:
To submit photos, send them to the address in my profile.
Last week's set is seen below, click here to view the entire post.
Black Ops Pro Tips
More discussion and comments on these photos can be found at the newsgroup rec.puzzles.