Vintage Brass Kaleidoscope w/Box by Van Cort Instrument Makers This is a vintage brass kaleidoscope made by Van Cort Instrument Makers. Comes in original box. Measures approximately 9 1/2" long, 1 1/2

 

10 inch Deci Lon slide rule 688 1100. The slide rule itself is in great condtion. The leather case has residue from a sticker that was on it, has belt loop clip. USA shipping only unless prior authori

 

Teazle18 Store Antique/Vintage JEWELLERS LOUPE/Eye Glass - Has Two Magnifyers - Made From Horn

 

It is approx. 45mm (1.3/4") high Postage is 8.50 GBP by registered mail (signed for) WORLDWIDE Dispatch is within 24 hours from received paypal payment Good luck if you bid for it!

 

used unit as-is missing a clamp on holder , other clam is there, 42(f4.2mm) na 0.6510 (16mm)na 0.65025 ba optico co 15mm broncse43(f4.2mm)Na0.65

 

Antique Premier British made carbide coal miners lamp. Brass base, with reflector, the base has a rubber bumper on the bottom. It is about 4" tall and the base is 2 1/2" across. The case and the refle

 

This is 67 grams of Dental Scrap. Could have gold, silver, platinum, palladium or many other metals in it. I cannot confirm the precious metal content if any in this lot. Please understand dental scra

 

This sale is a for 2 booklets (one is a catalog) of Pickett slide rules. Buyer is responsible for the shipping costs. The shipping is figured on the location of the buyer and the weight of the item. W

 

Absolutely superbly engineered scientific instrument dating back to late 19th Century, early 20th Century. Stainless steel of highest quality. Intricate, delicate and accurate. By opening the instrume

 

Pickett slide rule model N-515-T in CLEVELAND INSTITUTE OF ELECTRONICS with the leather case. As seen in current hit movie HIDDEN FIGURES This is the only simplex rule for which I show both front and