Thursday, August 11, 2011

Set 401

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2317. Around 20" tall, take a look at Neatorama for more guesses and a chance to win a T-shirt:






































2318. Approximately 6" diameter:

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2319. 18" long:

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2320. This was sent in a visitor who is looking to find the exact purpose for this pump, by pumping the center part it can shoot liquid a couple feet into the air, liquid that falls into the small bowl on top will flow back into the container.

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2321. 2" long:






























2322. 7" long:

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Answers:



2317. A portable hand pump fog horn for use on a boat:






































2318. A 360 degree folding arm protractor, these were mainly used for plotting theodolite readings, it's marked Adie, London:

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2319. A square hole saw, by drilling a single hole in a piece of wood it could be used to cut a square or rectangular hole:

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2320. A solvent dispenser for some type of fast evaporating or flammable cleaning fluid, a cloth could be pushed against the top part to moisten it, for use by a watchmaker, printer, etc. Liquid can flow back into the container only when the top part is pushed down but not when it's in the up position. This device looks like a smaller version of the plunger can that was posted here a couple of years ago, seen in the second photo below.

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2321. A friction fuse for a Civil War cannon, the top half of the tube contained powdered chemicals similar to those on the striking surface of a match, the other half contained black powder. A cord was attached to the loop, when it was sharply pulled, the friction compound would ignite the black powder which would shoot a flame into the cannon causing it to fire. Depending on the location of the fuse hole, soldiers had to be careful where they stood since the friction fuse could become a projectile when the cannon was shot.






























2322. A woodworker's gauge for scribing a line into a piece of wood, the top part is adjustable so it can be used for either straight or curved pieces, patent number 660,176.

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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.

10 comments:

  1. 2322 could be an carpentry tool used to make cuts for an angled joint. Seems a bit too cumbersome for that use though. Hmm...

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  2. 2320:
    A solvent pump dispenser. You push a small cloth on the top to dampen it, excess runs back in the tank and does not evaporate as fast.

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  3. 2317:
    Fog horn for small boat.

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  4. 2320. Agree with Cranky. I used similar one in a print shop in late 50's for cleaning lead hand set type and printing press after use.

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  5. 2319 Saw for cutting out a square hole.

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  6. 2322 - a marking gauge for scribing line(s) parallel to the edge of a curved border.

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  7. 2321 - a primer/igniter for a muzzle loading cannon ?

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  8. 2320: Might also be a jewelers liquid wax injector for lost wax casting. Sits in a water bath or over an alcohol lamp to liquify the wax. Any scorch marks on the bottom?

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