8” Circular Binary Trig Slide Rule Copyrights 1931 / 1940 · I guess the © 1931 slide rule was eventually mated with the © 1940 slide rule to get this one. · Printed area has 8” diameter. Full

 

Hand blown glass with 10 multi colored glass spheres Black plastic base still makes a handsome solid stand - much cooler looking when it's lit, bulb is apparently burnt out. I received another one as

 

Plessey PDRM 82 Portable Dose Rate Meter This portable geiger counter, manufactured by Plessey Controls Ltd of Poole from 1982 onwards, was issued to both U.K. emergency services and the Royal Observe

 

Lot of Vintage Drafting Engineering Drawing Scales Triangular Rulers Calculators etc Great Lot of Drafting Tools All are in Great Shape. Wide Variety of Makers, Years, Tools, Materials. Please include

 

ANTIQUE 2 PART DOUBLE SIDED FOLDING SNELLEN EYE CHART TEST FOR DOCTORS OFFICE THE FOLSOM CHART IS DATE 1914 AND I DO NOT SEE A DATE ON THE WOOLF CHARTS BUT THEY WERE FOUND TOGETHER AND DATE AROUND THE

 

Vintage Keuffel & Esser Co. Pantograph with original box and directions. Great condition, like new. Happy bidding! Posted with eBay Mobile

 

NEW WITHOUT TAGS SAFETY GLASSES 2 PAIR WITH JOY LOGO ON RIGHT SIDE

 

Ernest Leitz Wetzlar Objective (i could stand corrected on this one .... i think it is an objective) in original Can. There is n numbers on the item or can. I do have an Antique store but this is not

 

WE ONLY CHARGE ONCE FOR MICROSCOPE SLIDES SHIPPING COST. REGARDLESS OF HOW MANY YOU PURCHASE.....PLEASE SEE BELOW ANTIQUE MICROSCOPE SLIDE - DIATOMACEAE - FRESH WATER - PORTO RICO.1877 IN VERY GOOD CO

 

STEREOSCOPIC ATLAS OF HUMAN ANATOMYby David L. Bassett, M. D.SECTION IIICopyright 1962 by Sawyer's, Inc. THE LOWER EXTREMITYReels 175-205 3 Spiral bound books with 30 View-master reelsBooks and reels