Here is a very-good-condition, vintage wooden slide rule from Keuffel & Esser Co. that comes with its original leather case. The slide rule measures about 10.5 in. long and features equivalents an

 

A neat pair of opera glasses. They measure 4" x 2.5". Has green case with wear. See photos. The binoculars also have wear, too. See photos. On glasses, it reads: Imported by Aloe Herbstein & Co. O

 

FANTASTIC, ORIGINAL 19TH CENTURY INSANE ASYLUM BROADSIDE. This terrific circa 1855 letterpress broadside was printed at Brattleboro, Vermont by J[ames] H. Capen, who flourished there in the mid-19th c

 

Hello, you're looking an an Alvin 961 beam compass, made in West Germany. This was purchased in 1968. All appears to be in good condition. Please see my other auctions for related supplies. Thanks for

 

From a doctor's estate is this lot of 7 vintage medical instruments. I don't know what each one is called. This doctor began his practice in the 1930's. The instrument on the top right has a patent da

 

You are buying a gold pan panning kit. You get two classifiers 1/4" & 1/8' and 14" black gold pan a 10" black gold pan, tweezers, 5 assorted vials, black sand magnet , trowel and a sniffer bottle.

 

Nice older German drafting set in very good condition. Leather case also very good. Please look at pictures carefully and email any questions before bidding as all sales are final. Thanks for looking

 

ANTIQUE MICROSCOPE SLIDE BY RICHARD SUTER. VERY RARE DIATOMS. TERPSINOE MUSICA. FROM THE COLLECTION OF J.G.BRADBURY. SEE IMAGES FOR CONDITION. EXCELLENT. I AM LISTING MORE ANTIQUE MICROSCOPE SLIDES OF

 

found amongst my late father's possessions Milbro Microscope x 250 In its original box, tissue paper, glass strips and instructions It looks as if it has never been used; I am 70 next birthday and I d

 

17 scales 12" long. Cursor and center slide bar move smoothly. No writing on slide rule or case. Front Scale K, A [ B, ST, T, S, C ] D, DI Back Scale DF [ CF, CIF, CI, C ] D, DI, L