You are bidding on a Universal Shunt Type 4309-B manufactured by H.Tinsley & Co, London. This piece of equipment would have been used with a vibration galvanometer to provide a variable resistance

 

KEUFFEL & ESSER CO. PLANIMETER NO. 4236 Serial No. 253 Constant 214.92 Item is in excellent condition and shows very little if any use. Great piece for a collector. Shipping to USA only Made in Ge

 

Up for Auction is a Desert fox gold panning machine. Makes the hard work of panning that pay dirt simple. It has been used for only about two hours total. This is a great machine.I also have a bullsey

 

GOATFREAK64 Store VINTAGE PICKETT & ECKEL INC. U.S. MILITARY SLIDE RULE MODEL NO. 14 W/ CASE THIS IS A VERY NICE VINTAGE PICKETT & ECKEL INC. U.S. MILITARY ENGINEERS SLIDE RULE. MARKED MODEL N

 

This is for an old Victorian road drawing tool that draws two lines of ink. The steel ends are adjustable on both prongs for the fineness of ink and also the wheel in the centre adjusts the distance b

 

This pair of antique chemists bottles I think date to the 19th century, the bottles are made of blown glass and have a very unusual blue/green colour as seen in the photos, there are nice pontil marks

 

VINTAGE K2 HORSE RACING calculator - includes booklet, round slide rule and case. This plastic circular slide rule has a white base, with three concentric logarithmic scales, all numbered from 1 to 50

 

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

 

Offered is a vintage Eagle Turquoise PRESTOMATIC Lead Holder Pencil #3377. Original box and instructions and a partial sleeve containing 5 unused 2H Eagle Turquoise drawing leads. Great vintage drafti

 

VINTAGE Binoculars Made in Italy Everything working No carrying case Powerscoped Non prismatic