For first time visitors I recommend this archive for some of my best posts.
1543. A rotary mimeograph machine:
1544. An English self-raising folding gold coin scale, it weighs the sovereign and also the half sovereign.
1545. A watchmaker's "universal key", used to open the back of a watch.
1546. A 1915 McCormick Deering hay loader:
The one in this video looks like it's probably a later model:
Another rack lifter can be seen in the background of the hay loader photo:
1547. A Rokuoh-Sha Type 89 machine gun camera, used to train Japanese aviators in aerial gunnery.
1548. A steam engine boiler tube expander:
Last week I made a new quiz page, this time the subject is farm tools, regular readers of this site will recognize a lot of them but there are a few that haven't been posted here before. Link
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. Glenwood Gardens Park