There is one of these instruments in the British Science Museum, to whom I am indebted for the information which follows.It was invented in 1890 by one Doctor Gerald Joseph Macaura, who patented it (N

 

This is a beautiful 1908 Keuffel &Esser Co Survey Compass. Compass seems to be in good working order. The face is in especially beautiful condition. Overall this instrument is in great condition b

 

Ladies and Gentlemen, we are pleased to offer this week, a rare antique pharmacy apothecary bottle in exquisite clear glass with a round stopper and rare label ~ Hydrargyri dichloridum (mercury dichlo

 

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RARE VINTAGE CIRCA 1925 NEW YORK DENTIST DR MAX SPIELBERGER DENTISTRY ART DECO ADVERTISING POCKET MIRROR. MEASURES 2" X 3"... .. Please see pictures.. . ALL ITEMS ON MY SITE ARE GUARANTEE TO BE 100% V

 

Vintage NIK Amaji Electro Stimulus suitcase device in good condition from Japan. Comes with 4 pads & connecting wires. While it does power on, it is completely untested and sold as a scientific-me

 

VINTAGE JUSTRIGHT MINERS LANTERN IN GREAT CONDITION MARKED MADE IN USA FIREAMLINED. IT LOOKS TO BE INTACT NO PARTS MISSING. IT HAS A GREAT AGED PATINA AS SEEN IN THE PHOTOS IF YOU HAVE ANY QUESTIONS O

 

FOR SALE IS A VERY UNUSUAL AND NASTY BIT OF DENTIST EQUIPMENT , IT IS A MOUTH CLAMP , WHEN THIS IS INSERTED INTO THE PATIENTS MOUTH AND OPENED UP IT HOLDS THE MOUTH OPEN UNTIL THE CLAMP IS RELEASED, A

 

Slide from 1861 in nice condition. I am a old school wholesaler dealer and scour GA and New England for the best to buy for my customers. I am also the founder of WorthPoint and would encourage all to

 

Bakelite top, black crinkle painted steel back. Meter itself works given a few ma, the tester itself is untested, inside looks all original no sign of abuse, many precision wire wound resistances.