Set 512

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2983. Approximately 3-1/2" long:



















2984. 43" long:

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2985. Around 6" long, take a look at Neatorama for more guesses and a chance to win a T-shirt.

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2986.

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2987. 5/8" long, this is a part from something that most people would recognize:






























2988. 24" diameter:

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Answers:



2983. Part of a meter for checking the moisture content of wood, a modern version can be seen here:



















2984. A hay knife, used to cut hay from a haystack, patent number 202,487:

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2985. These are pieces from an old mechanical cash register:

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2986. A cigar box opener, the notch is for use as a nail puller:

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2987. This is a tripper for an Intermatic Timer:






























2988. This is an antique pulley wheel for use with wide belts:

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Update:

2981. This is a launched grapnel hook for firing into mine fields and dragging back to detonate trip wire mines, patent number 5,448,937:

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