Bird Electronics VSWR Slide Rule, (Voltage-Standing-Wave-Ratio) I will combine postage on Multiple Purchases. I charge actual shipping charges. Be sure to add me to your favorites list! Check out my o

 

Old Advertising Medicine Tin - Superba Pure Aspirin Superba Company - Baltimore, Maryland - Distributors. Tin is now empty, but originally contained 12 tablets - 5 grains each. Original price on tin -

 

Up for auction a vintage American Optical Ophthalmoscope Set. Appears to be in excellent working condition (light tested). Item has wear/scratches commensurate with age. A great collector’s item! Th

 

Vintage Keuffel & Esser Co. slide rule dated 1947. It comes in the original case and also includes the instruction manual dated 1936 Powered by eBay Turbo Lister The free listing tool. List your i

 

Vintage very good condition Eagle Pencil Co. Compass . It has reversible tips and the pen nib is discolored. I think it is patented 1894. I found this at an estate sale and that is all I know about it

 

3 Different Coal Mining Stickers

 

NKUrban Prospecting drop riffle sluice boxes are made from ABS plastic to belight, durable, and very effecting at trapping gold! Unlike classic Hungarianriffles, drop riffles don’t throw the fine go

 

THANK YOU FOR CHECKING OUT MY LISTINGSYou are bidding on a Vintage pair of Lemaire Paris Purple Tile mother of Pearl Binoculars These are in beautiful condition showing a good patina and minor wearThe

 

ANTIQUE MICROSCOPE SLIDE BY J.TEMPERE. DIATOMACEAE. LONG ISLAND SOUND. U.S.A. No.1. SEE IMAGES FOR CONDITION. EXCELLENT. I ALSO BUY ANTIQUE MICROSCOPE SLIDES. VISIT www.antiquemicroscopeslides.co.uk F

 

Featured are 20 Coal Mine Brass Check Tags with numbers stamped in them. I was told that they were used in coal mines to track each load of coal as they were taken from the mine to each specific miner