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2305. Approximately 6' long:
2306. This tool was sent in by a visitor:
2307. Around 14" long:
2308. 3" diameter:
2309. About 8" long, another unidentified tool, text on it reads "Bridgeport Line":
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:
2305. A rifling machine for making grooves in gun barrels, the grooves impart a spin to the bullet that gyroscopically stabilizes it.
On the wall behind it was a display that had a part from another rifling machine, some unfinished gun stocks, and an unfinished barrel.
2306. An M-216B Can Wrench and Screwdriver for use on electrical equipment, patent number 1,318,088:
2307. A phonograph for playing cylindrical records, it's missing its speaker:
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:
2310. Also no luck yet in finding the exact purpose of this file:
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.