Up for auction are three vintage slide rules all show some wear but are in Good Vintage Condition. One Charles Bruning CC. #2401 made in U.S.A. with original leather case, a Monarch Reley #slr-5 made

 

Hard to find these anywhere! Here are a pair of very cool 1930's GE (General Electric) metal knobs from a mining smelter in Hornsilver (Gold Point) Nevada. They are to adjust resistance on a control p

 

It is 30 cm long and in very good condition. Shipping $ 8 outside europe $6 within europe .Registered mail cost $10 extra

 

Kind of a puzzling item, have had a bunch of opinions as to what this was actually used for, I think it was a tool used in the medical field, designed to create suction when placed on body part to pos

 

Up for auction is a used,in great condition McCoulloch Aqua Mac 2 cycle gold backpack dredge water pump.I removed this pump from my Gold King Pack Rat 1 inch gold dredge because I am converting it to

 

You are bidding on a vintage human prosthetic glass eye from Lauscha, Germany. I’ve been collecting prosthetic glass eyes for years now and these are among the best quality that I’ve seen so far.

 

58 Prepared Microscope Slides 3 Boxes Compass Brand w/34 slides of Micro Organisms, Vegetables & Pollens & Spores; 1 Box of 12 ATCO slides # 1383 "Textile Fabrics" and 1 box of 12 slides each

 

this is a thermometer barometer hygrometer all 3 seem to be working in good condition for the year! nice patina! copyright 1930 by selsi company inc n.y.c. n.y. germany brass and wood. this would be a

 

-+ Dated October 28, 1898 out of Little Clear Creek Mining District in Alaska. It measures approx 6-1/4" x 8". Creasing and folds. Writing is in excellent condition. I put a "-?-" where I couldn't mak

 

This is the 21st Century Gold Pan. It is called "The Screw Pan." It is the only Concentrating wheel and Gold Pan combination in one. This pan also works in the desert----DRY. Very easy to operate. Hol