Set 399

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2305. Approximately 6' long:

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2306. This tool was sent in by a visitor:

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2307. Around 14" long:





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2308. 3" diameter:































2309. About 8" long, another unidentified tool, text on it reads "Bridgeport Line":

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2310. 10" long, sent in by someone who is looking for the exact purpose of this reversible file, one side is fine and the other is coarse:

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Answers:



2305. A rifling machine for making grooves in gun barrels, the grooves impart a spin to the bullet that gyroscopically stabilizes it.

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On the wall behind it was a display that had a part from another rifling machine, some unfinished gun stocks, and an unfinished barrel.

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2306. An M-216B Can Wrench and Screwdriver for use on electrical equipment, patent number 1,318,088:

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2307. A phonograph for playing cylindrical records, it's missing its speaker:

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2308. A Joseph Joseph Spaghetti Measure
It looks great but the reviews on it at the link aren't good.




Another use for a mechanical iris was posted on the web this week:































2309. No answer yet for this tool, looks like it might have been specially made at Bridgeport or by someone who designed their own tool:

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2310. Also no luck yet in finding the exact purpose of this file:

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To submit photos, send them to the address in my profile, please include dimensions, any text on the item, and where it was found.















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.

Set 398

For first time visitors I recommend this archive for some of my best posts.




2299. 4-1/4" long:

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2300. The top part is about 5" long:

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The upper piece can pivot and has a weight under it to keep it horizontal:





























2301. Approximately 14" long:







































2302. 27" tall:

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2303. About 9" long:

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2304. 4" long, sent in by a visitor who is looking to identify this device that he found in his grandfather's shed twenty years ago:

















Answers:



2299. A grate bar for a stove, it allows ashes to fall through and air to circulate, patent number 730,772:

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2300. The most popular guess for this one is that it's a counting tray, possibly for use by a pharmacist, who could then pivot the tray to pour the contents into an envelope or other container. The second most popular suggestion is that it's for dispensing a fixed weight of a product, which would be loaded onto the pan and when a certain weight was reached, the pan would tilt and pour it into a container of some type.

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2301. A tool for removing the cables from a battery, patent number 1,602,685:



































2302. A light from a TV news stage:

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2303. An egg cracker and separator, it can be seen in use here:

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2304. A Morgan Lee wallpaper trimmer (scroll down at the link):













































To submit photos, send them to the address in my profile, please include dimensions, any text on the item, and where it was found.















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.

Set 397

For first time visitors I recommend this archive for some of my best posts.




2293. Around 4" long, these three tools were all used for the same purpose:

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2294. 5" long, sent in by a visitor:

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2295. 7" long:

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2296. 5' tall:




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2297. About 3-1/2" long:





























2298. 1-1/4" long, take a look at Neatorama for more guesses and a chance to win a T-shirt:












Answers:



2293. These are all jar openers, for prying off lids that have rubber seals, similar to patent number 824,114

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2294. "Levels for use in plumbing leveling rods, flagstaffs, and for aligning poles in making surveys, and in running lines or levels with a surveyor's transit or leveling instrument", patent number 312,266:

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2295. A fish scaler, text on it reads "Steve's Tackle Inc., South Bend Ind., King Size De-scaler, pat. 2,795,006".

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2296. Haven't been able to verify any of these guesses for this one:
-a gambling device
-a parking meter
-part of a coin operated tire pump
-coin collector and controller for a car wash




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2297. A tool for cracking sunflower seeds:





























2298. An anti-theft pocket watch attachment, when pulled by the chain the spikes would catch in the fabric of the pocket, patent number 1,450,848:














































To submit photos, send them to the address in my profile.















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.