For first time visitors I recommend this archive for some of my best posts.
1453. Approximately 6" long, pushing the knob on the right moves the needle on the gauge:
1454. Submitted by a visitor who would like to know exactly what this was used for:
The square-jawed chuck measures no more than 1/2":
1455. 14" long, patented in 1868:
The patent drawing for this tool:
1456. 3-1/2" tall:
The idea for this one is to name the purpose of the metal bottle and compartment in the top of the case:
1457. 20" long, take a look at Neatorama for more guesses and a chance to win a T-shirt.
1458. 33" tall:
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Last week's set is seen below, click here to view the entire post.
More discussion and comments on these photos can be found at the newsgroup rec.puzzles.