Thursday, July 17, 2008

1357. An arithmetic teaching aid, some say that it was used to teach students how to read numbers, others think it was also used to practice addition and subtraction.

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1358. This is a live bird trap. Trap shooting got its name from these devices, they held a bird that was released by pulling the lever. The small door was used to put the bird inside.




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1359. This box was for holding surveyor equipment, it's missing the straps and separators for keeping the equipment secure. It was used when packing (horses) into an area.




















1360. A Taylor Torpedo Smoker, it's threaded into a hole in the ground to smoke out an animal.































1361. A leaf spring lubricator, it was driven into a leaf spring and a little oil was poured into the slot, which delivered it to a location deep within the spring.

The other side reads "6 inch spring oiler, drop forged steel".























1362. A hand lead-line, it was used on a ship to measure the depth of the water.





































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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.