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

 

VINTAGE PROSTHETIC HUMAN EYE #43 Click to Enlarge Click to Enlarge I am listing 60 of these vintage prosthetic eyes all on separate auctions this evening. Photo close ups show all the details. I will

 

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....

 

Sweet and simple. You are bidding on a Vintage Druco Oral Thermometer that was acquired at an Estate Auction. This item is sold as is, and unsure if the item still works or not. I didn't feel the need

 

Plastic slide rule concrete calculator from The Brewer Co. Cincinnati, Ohio. Shows normal wear, but all printing on both sides is very legible. It is 7" long. An interesting advertising or contractor-

 

The Kit Includes: 2 - 14" Heavy Duty Green Gold Pan - The GREEN color contrasts the BLACK sand and the GOLD in your pan. 2 - Magnifier with Tweezers - Pick up your gold and take a closer look. ***NEW

 

This item is believed to be a telegraph relay.It is in as found condition and is useful for parts or restoration. Some pieces are missing. Stamped on the base appears to be the number “20”. Base m

 

YOU ARE BIDDING ON A PIECE OF HISTORY, A PAIR OF MELTING CRUCIBLES MADE BY DENVER FINE CLAY CO. USA (SEE PHOTO 4). THESE WERE USED FOR MELTING METALS IN COLORADO RELATED TO THE MINING INDUSTRY. THE DI

 

This is a lightly used Brunton International Pocket Transit Survey Compass. The international feature means it is able to be used in both hemispheres, unlike the regular pocket transit. I bought this

 

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