1307. A Jewell voltmeter that was used to check radio batteries:
1308. A case for holding film reels:
1309. A barrel maker's hoop lifter, lever hook, or hoop dog, it was used for stretching or levering a hoop over the top of the staves. Take a look at Neatorama for more guesses on this tool:
1310. A journal box, it protects the journal of a grindstone from water, sand, and grit, patent number 58,768 .
Thanks to Mike for sending in this photo, the pencil represents the axle of the grindstone:
1311. A Johnson farebox for use on a bus or trolley:
1312. A Supra C key safe, realtors would lock a key into the box and then place the padlock on the door knob of a house so that multiple agents could have access to the key.
The shackle can be released by lifting the metal piece that is located on the left of the inside of the box.
To submit photos, click on the profile link at the upper right to find my email address.
Last week's set is seen below, click here to view the entire post:
Black Ops Pro Tips
More discussion and comments on these photos can be found at the newsgroup rec.puzzles.a