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1831. The wood base is approximately 24" long, c. 1920, take a look at Neatorama for more guesses on this device:
1832. 40" long:
1833. About 36" inside diameter, c. 1840:
1834. 35" long, this unidentified tool was submitted by a visitor:
1835. Another unidentified item that was sent in:
1836. 9-3/4" long:
1831. A rotary spark-gap transmitter that would have been part of an amateur radio station back in the 1920s.
1832. A stagecoach horn, it was sounded by the driver when he got within earshot of a hostel, one blast for each passenger, to alert the innkeeper that he was approaching and to be ready to receive guests. A lookout lad would run inside with the news so that upon arrival food would be waiting and hot water and towels would be on hand.
1833. A hollowed-out sycamore tree section that was used as a grain bin in the 1840s:
1834. Haven't been able to verify any of these suggestions for this tool:
-flat belt shifter
-for moving bales of hay
1835. Probably part of the frame for a punching bag:
1836. A Primus lighter, it uses a flint and shoots sparks when the handle is compressed:
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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.