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1843. 1-3/8" long, take a look at Neatorama for more guesses on this one and a chance to win a T-shirt:
1844. 6" long:
1845. 10" long, over 3000 years old:
1846. 3-1/2" long:
1847. Sent in by a visitor who is looking to find the purpose for this device, text on the left side says 'minus', and on the right 'plus', both sides have increments from 0 to 500:
1848. The upper part is approximately 24" tall:
1843. A probe from a policeman's Taser:
A Taser cartridge:
An older model:
1844. A playing card holder for two decks:
1845. An Egyptian headrest, it was marked "New Kingdom, later Dynasty 18, 1400-1300 B.C."
1846. Part of a hay elevator and carrier, this piece of hardware was used to keep the hay fork at the desired elevation, check out figure 3 in patent number 328,896.
1847. The most popular guess for this is that it was for keeping score in some type of game:
1848. The bars from an old jail cell window:
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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.