For first time visitors I recommend this archive for some of my best posts.
1609. 3" tall:
1610. 18" long:
The two parts on the end can be rotated:
1611. Around 4" diameter:
1612. Approximately 5" long:
1613. 41" tall, take a look at Neatorama for more guesses and a chance to win a T-shirt.
Close-up image of the top
1614. Submitted by a visitor who is looking to find out the exact purpose of this device, the view through the scope has some gradations from 0 to 5 left to right, and text on it reads "Ernst Leitz Wetzlar #261615":
Close-up of the level
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.