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2299. 4-1/4" long:
2300. The top part is about 5" long:
The upper piece can pivot and has a weight under it to keep it horizontal:
2301. Approximately 14" long:
2302. 27" tall:
2303. About 9" long:
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:
2299. A grate bar for a stove, it allows ashes to fall through and air to circulate, patent number 730,772:
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.
2301. A tool for removing the cables from a battery, patent number 1,602,685:
2302. A light from a TV news stage:
2303. An egg cracker and separator, it can be seen in use here:
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.