This lot is a 2 Volume collection of my Fathers work related notes, calculations and technical data. He worked fo Beloit Walmsley Corp. of Wisconsin USA as a paper machine designer from 1952 until his

 

Artery model demonstrating the four stages of atherosclerosis. Model shows four stages: Normal, Fatty Streak, Plaque and Stenosis. All stages rotate on a hinged pin. Product is new, unopened and in or

 

K + E Doric Drafting Set Apollo 9606B ~~ Made in Germany ~~ Keuffel & Esser Co. ... Please / See notes above / ZOOM *images to best assess condition & design details ... More images or info av

 

ANTIQUE MICROSCOPE SLIDE BY ALFRED ALLEN. ANTENNA OF TIGER MOTH. MOUNTED USING A.A MONOGRAMMED PAPER AS WELL AS ALFRED ALLEN LABEL. SEE IMAGES FOR CONDITION. EXCELLENT. IMPORTANT: AS FROM 2ND APRIL 20

 

Vintage Blood transfusion device. Great for a museum collection or for those wanting to creep out their friends and relatives. This is the ultimate in creep show devices.

 

1908 Posatcard ~ SILVER CITY New Mexico ~  Pacific Silver  Mine  Condition: Good Shipping: Buyer pays $2.00 shipping (foreign extra). ** This item will be packaged professionally and with ample rei

 

OFFERED FOR SALE IS A VINTAGE POST VERSALOG SLIDE RULE. THIS WAS MADE IN JAPAN FOR THE FREDERICK POST CO. AND IS THE MODEL 1460. THIS COMES WITH THE ORIGINAL POST LEATHER CASE. BOTH PIECES ARE IN EXCE

 

sraucher store Vintage Pacific Transducer Corp. Los Angeles,CA Model 615 Thermograph. Not sure how it works but it seems complete with paper and key etc. PTC is still in business in Los Angeles,they s

 

Mandell Store 9 Vintage Slide Rules: K+E - Post &ndash; Sun Hemmi &ndash; Lutz · LUTZ No. 252. Excellent condition. Leather case (damaged flap. Wood interior · K&E <4092-3>. Leathe

 

I'M SELLING THESE FOR SOMEONE ELSE AND I KNOW NOTHING ABOUT THEM. WHAT YOU SEE IN THE PICTURES IS WHAT YOU GET. THERE ARE FIVE .05,AND FOUR .25 TOKENS. YOU SHOULD BE ABLE TO SEE ALL DATES AND ENOUGH D