For first time visitors I recommend this archive for some of my best posts.
Since next Thursday is Christmas Eve, I'm planning to post on Wednesday instead.
1801. 5" long:
1802. Around 24" long:
1803. 3-1/2" long:
1804. 11" long:
1805. 22" tall, patented in the 1890s, take a look at Neatorama for more guesses on this device and a chance to win a T-shirt:
1806. 12" 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.