Offered here is an original print photograph that reads on reverse "Miners working on the 500-foot level of Tombstone Consolidated Mines Co." c. 1904 Arizona Historical Society Photograph". Measures 1

 

This is a Crookes tube with multiple electrodes. The gas pressure is lower than most Crookes tubes, correct to allow electron emission in a straight line from the cathode disk while having enough air

 

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clk1951 Store Antique 1800+ eyeglasses with side vents. Used to block sun out from the side or change the light. Green lens Missing one lens/ which is replaceable Glasses extend by several inches and

 

This is an Original Taylor Instrument Company Stormoguide Barometer from 1927. . Barometer is made from wood with a brass Barometer and Glass insert. Measures 5 1/3" in diamter. Condition: Stormoguide

 

Everything I'm selling is from the estate of a prominent Ear Nose and Throat doctor who lived in the Seattle area during the early 1900s. Most of the items need cleaning and polishing. You get everyth

 

Buyer to pay calculated shipping and handling.

 

THIS IS A VINTAGE ARNOLD & SONS LONDON STAINLESS STEEL MEDICAL INSTRUMENT,IT MEASURES APROX 15" SEEMS TO BE OPERATING FINE,THERE IS SOME MINOR WEAR. POSTAGE: ALL ITEMS ARE SENT UK-ROYAL MAIL 1st C

 

Two sets of pharmacy scales, with various weights cased, 19th century. Set 1: oak cased, with various weights, glass pans, missing strings for glass pans. Set 2: early 19th century, mahogany cased (tw

 

INDIAN WAR ERA NICKLE PLATED 8" TONSILLOTOME WITH SLIDING GUILLOTINE BLADE WHICH WORKS PERFECTLY FOR FITTING OVER TONSIL AND EXTRACTING -- GREAT FOR ANY EARLY MEDICAL COLLECTION