This is a used Vemco MARK XII V-TRACK drafting machine made in Pasadena, CA. I am not a draftsman so I am not familiar w/this equipment. The vertical track assembly slides smoothly on the horizontal t

 

THIS AUCTION IS FOR AN EXCELLENT CONDITION ALLIED'S PARRALEL RESISTANCE AND SERIES CAPACITANCE CALCULATOR WITH THE ORIGINAL SLEEVE AND INSTRUCTION SHEET. I AM ALSO INCLUDING IN THIS AUCTION A OHMITE P

 

Admiral Robert Fitzroy was Captain of the HMS Beagle, the very same ship that ferried Charles Darwin around the Galapagos in the 1830′s. While Darwin contemplated the origin of the species, Admiral

 

Vintage Russian USSR Logarithmic one sided(single)Slide Rule in case In a green plastic case(marked LSLO - 250 - 14 P) Made in USSR, 1979(written on the paper instruction) Size - 30 cm length Used, in

 

vintage hobbyist mini battery run motor (looks to be unused) in orig.box.U.S.A.SHIPPING ONLY ( no shipping outside of U.S.A,) Buyer pays $3.95 S&H (yes shipping has gone up again) (includes tracki

 

It works! Replacement thermometer 12 inch very old, not sure of exact date or brand but in like new condition Please bid confidently, I will ship quickly! Thanks for looking!On Aug-01-13 at 08:41:18 P

 

Here is a very nice, Dietzgen Excello ruler set. The rulers are #1532 A-G and an SP, so a total of 8 rulers. The box is marked MC No.146 on the base. The rulers appear to be made of Bamboo. They are i

 

Vintage Microlux Microscope & Dovetailed Wood Storage Box & KK Tachibana Micro-Data Cards. Made in Japan. Lenses 5x 10x 15x Very good condition, as shown. Any questions, please ask. Thank you

 

1938 Treatment in General Practice by Harry Beckman MD , Publisher: W. B. Saunders Company, 787 pp. Worn and faded cover, faded spine, The back hinge is crack, pages Light soiling ,Page Edges toned wi

 

Vintage Brass Mortar and Pestle Honoring Pharmacy Fraternities - Has 6 fraternities and their emblems from 1879 to 1921 Stands 2 3/" - Pestle is marks SCHERING Please, scroll down as there may be addi