Seems to work, moves as the weather changes. Dated 1963, given as a Boy Scout award.

 

This is a Post Hemmi model 1452W slide rule in very good condition. It comes with a leather case and a box. This auction is for US bidders only. Winning bidder will pay $7.15 for Priority Mail Shippin

 

3 vintage slide rules: 1. The Warner & Swasey Co., Cleveland Ohio. 2. Acumat Acu Math no. 600. 3. K +E #681210 Log.Log Duplex Decitrig c. 1947 by Keuffel & Esser Co. Winning USA bidder pays pr

 

Vintage, Eugene Dietzgen Company Drafting Tool Set 12 pieces. Tools are in good condition but the 3 compass/calipers do have some rust. The case is cracked and well worn due to age. This would make a

 

FRANKLIN MINT BRASS ASTRONOMICAL ASTROLABE 1987 Rarely seen for sale on e-bay, the last two I could find were in the U.S.A! Excellent condition, all parts moving smoothly. 　 OFFICIAL ISSUE OF THE NA

 

This is a small mercury recovery retort, designed to purify your mercury while separating it from your gold. Instructions for use.Work in an open well ventilated area with a breeze at your back when o

 

For Auction 2 Vintage Apothecary Jars Floral Decorated with Fruit Finals on Lids Jar marked Oppio measures 6.5 inches High - Diameter 2.25" Jar marked Crriaea sp? is 7.75" High - Diameter 2.5" The onl

 

These 10 Microscope Slides are all of Botanical subjects by Flatters and Garnett, a company well-known for their prolific output and the excellent quality of their slides. The slides are in excellent

 

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One box of 12 Staedtler Mars eraser refills. The number on the box is 527 35. The box measures about 5.25 inches long. These erasers fit in the 527 30 eraser holder.