You are bidding on two pairs new old stock John Lennon type round frames Frames are marked M 1/10 12 kt GF frames are marked on temples and bridge. One is used and markedSC USA 1/10 11kt GF These are

 

Old BARIGO pocket barometer, made in Germany in excellent condition. 2 1/4 in. across X 3/4 in. thick. No scratches in top see through covering. The barometer case bottom has a few hardly noticeable h

 

Antique Lemaire Paris France Mother of Pearl Opera Glasses in Original Case. A great pair of opera glasses/binoculars that feature a nice extra touch of mother of pearl on the extension also. Marked o

 

No reserve. High bidder wins...And...I ship fast! Nice condition Lawrence Engineering # 250-BT scientific / engineering wooded slide rule with case. Looks and operates nice. Some very small marks. Inc

 

K&E Slide Rule 4081 leather holder and booklet. In good condition. See all pics and ask questions before bidding if you are unsure of something. AS IS no returns. NY residents must pay 8% sales ta

 

Antique Drafting Tool Sets. Please review pics and I will be happy to answer any questions. Upon purchase please make payment within 48 hours and feedback would be appreciated.

 

Here's a working model (roughly 6" plastic) Astrolabe, complete with a 35-page softcover book, The Astrolabe by Harold N. Saunders, B.Sc, A.R.I.C., (c) 1971. The book offers the history and constructi

 

What is it? 6 Edmund Scientific Co. Booklets Manuals 1963, No. 9065, Telescopes You Can Build 1955, No. 9044, How To Condense and Project Light 1959, No. 9055, How To Use Your Telescope 1945, No. 9006

 

If you need to draw polygons in circles or divide lines for any reason, then these are for you! The item is a set of proportional dividers. They come in their original case with instructions and are i

 

This is the 21st Century Gold Pan. It is called "The Screw Pan." It is the only Concentrating wheel and Gold Pan combination in one. This pan also works in the desert----DRY. Very easy to operate. Hol