If you collect or restore old radios, crystal sets, early scientific apparatus, vintage test equipment, military surplus, or other unique old technical items, keep me on your favorite seller list. I a

 

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

 

rkylcy Store VINTAGE BERGER BOSTON TRANSIT-LEVEL IN WOOD CASE WITH PLUMBOB AND MANUAL Original vintage Berger & Sons Boston transit-level. Includes wood case, plumbob, and 1959 manual. This auctio

 

Vintage Keuffel & Esser Co., N.Y. slide rule in case A VERY COOL ITEM THAT I DO NOT KNOW HOW TO USE!!!!!! THANKS FOR LOOKING.......CHECK OUT OUR OTHER ITEMS...... HAPPY TO COMBINE SHIPPING!!!!! FE

 

2-SCRIMSHAW CARVED TOOTHPICK HOLDERS-RHEUMATREX ADVERTISING-EXCELLENT! NO CRACKS OR CHIPS. CARVINGS ARE VERY NICE. INTERESTING AND UNIQUE ADVERTISING PIECES! LOOKS TO BE MADE OUT OF A BONE OF SOME KIN

 

WALL HANGING BAROMETER MADE BY LUFFT (original sticker attached) GERMAN WOODEN CASING 16 CMS IN DIAMETER VERY COLLECTABLE .... VINTAGE ITEM FULLY OPERATIONAL

 

Excellent condition. Moves very smoothly, no nicks or rough edges. No stains or marks on the sliderule, and the case is unmarked except for a blacked-out owner's name inside the flap.

 

c.inv store EVERYTHING PICTURED INCLUDED. TOOLS MAKE IN GERMANY ONE CROME TOOL IS A KAYDEN BRAND. THE REST IS BECTON DICKINSON BRAND. ANY QUESTIONS PLEASE EMAIL ME :)

 

Here we have an extremely interesting and very useful early Vintage Specimen Display Cabinet .... can be used as free standing or for wall hanging (there are fixings included ). I found this unusual C

 

Sun Hemmi bamboo slide rule No. 64 System Rietz, complete with cardboard box, see pictures. ((Règle á calculer, Rechenschieber, règle á calcul, slide rule, rekenliniaal) Questions will be answered