Vintage beauty..........center coil has about 2 ohms resistance with heavier gauge wire than the approx. 35 ohm outer coil.... the whole thing comes apart as you can see and is about 7 inches long....

 

These 5 slides are all thin sections of rock and best viewed under polarised light. The most striking image is the only slide without any information ,but looks to be a form of granite. The next is Fe

 

A collection of old apothecary, chemists weights, ranging from 4 DRACHMS, 2, 1, 1/2, 2 SCRUPLES, 1, 1/2, and thin brass grains, some with bent corners, mostly stamped ER, one stamped GR, in uncleaned

 

Very nice K & E Slide Rule with hard shell case, not many like this and am sending a couple slide rule manuals. Look at pictures and questions, just email. Shipping is $5.00 anywhere in the U.S.

 

This Compass set has been mine for 20+ years and served me well. Now its time to pass it on to the next Owner.

 

vintage ruler. no cracks on it and nothing peeling off. very good condition. comes with the case too. slides perfectly too. CHECK MY OTHER AUCTIONS FOR OTHER RARE ITEMS. PAYMENT DUE WITHING 3 DAYS OF

 

Tellurium Metal 99.97% Up for sale we have small pieces of Tellurium. They are shiny grey colored and range in size from dust to small pieces almost 3mm. The mass of the pieces is a little over 8g. I

 

A beautiful antique wooden barometer. Made in Western Germany. I honestly have no idea how old it is, but it seems rather old. It is quite large, with a diameter of approximately 12.5 inches. There is

 

Dietzgen Multiphase Multiplex Slide RuleThis auction is for one Dietzgen Slide Rule - Decimal Trig Type Log Log Slide Rule. This was previously owned by a Robert Holmquist as his name appears on the l

 

Offered for bid is this Atco Prism Binoculars 7 x 50 power with original box/literature/ anti fogging cleaning cloth . Imprint on left side of binoculars is ATCOLITE FULLY COATED OPTICS Lightweight -