VINTAGE 67/54 R. DARMSTAD, FABER CASTELL SLIDE RULE WITH ADDIATOR CALCULATOR This is a vintage Faber Castell slide rule 67/54 R. DARMSTAD, slide rule with ADDIATOR manual calculator. In good condition

 

Bausch & Lomb Optical Co. Rochester NY USA engraved on rim of this antique desk top map magnifying lens. Adjusts up and down to focus. Excellent condition. Lens is free of scratches and chips but

 

K+E St. Louis, Fraction of an inch adding machine. w/vinyl holder.

 

This plaque recently was purchased at a local estate sale, where a family member indicated that it most likely dates to no later than the 1950s; however, this has not been confirmed. This cast plaque,

 

Up for Bid: Rare Union Explosives Company Blasting Caps Tin,Clarksburg,West Virginia (2.35in,x 1.50in.x 2.0in.)...In Very Good Orignal Condition,with some lite general overall wear...This is a Hard to

 

One of a small collection of Barometers for sale. I do combine postage. A Large Unmounted Vintage Barometer by Shortland Brothers Made in England. Approx Size - 135mm diam. Fitting size - 80mm diam. E

 

Circa 1980's Bausch & Lomb Microscope. Single ocular lens marked WF-10x/18 China. illuminator cat no 31-77-15. Lens 4x, 10x, 40x, 100x. Serial 3397UT. Turns on and off but friction brake needs rep

 

Fuji Darmstadt Special No.1200 slide rule and original case+instructions in finnish. Also with original box ! Please see my other slide rules,I combined shipping.

 

OLYMPUS Stereo Microscope VMT model Total Magnification 10x , 20x can easily change slide switch by center ring. Eyepiece Lens 10x, objective Lens 1x and 2x Slight damaged on body but very clearly loo

 

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