For first time visitors I recommend this archive for some of my best posts.
Next week I'm planning to post on Friday the 26th, since Thursday is Christmas.
1489. 32" long:
Larger image
Attached to the bottom of the eyepieces are two small mirrors that are mounted at 45 degree angles, they reflect towards the two larger mirrors that are directly over the round metal plates.
The mechanical pencil can be moved in any direction:
1490. 9" tall, circa 1908:
Larger image
1491. 5-1/4" long:
Larger image
Larger image
1492.4" and 6-1/2" long, two glass vials that are sealed on both ends, they were sent in by a visitor from Europe who is looking to find out what they are for:
Larger image
1493. 7-3/4" long, another unidentified device that was submitted by a visitor, it was found with a load of machine shop tools:
Larger image
1494. 12-7/8" tall:
Larger image
Larger image
Larger image
Answers
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.
Thursday, December 18, 2008
Subscribe to:
Post Comments (Atom)
1489 - Vynil long play maker
ReplyDelete1494 - Coal furnace model
ReplyDelete1489: For drawing topographic lines on maps using stereo pairs of aerial photographs?
ReplyDelete1490 - mousetrap
ReplyDeleteAnd agreee with the topo map drawing device.
1490 Boot dryer?
ReplyDelete1494 is a "Salesman's Sample" a model of a coal stove use to show to prospective customers
ReplyDelete1492. It's a glass syringe plunger. They were all like this before plastic.
ReplyDelete1494. Coal fired boiler.
Correct answers so far:
ReplyDelete1489. Aerial photograph map topographic map device.
1490. Mouse trap
1492. Syringe plungers
1494. Salesman's sample coal furnace
1493: hinge that is attached by welding
ReplyDelete