A good 19th century dentists tooth key. Ox bone, or similar natural material of animal origin, handle. Cranked steel shaft with pivoted tooth extraction tool to the end. Antique dental equipment proba

 

Antique Bausch & Lomb brass microscope parts/lenses. Lenses: brass 16mm .25 NA, brass 4mm .85 N.A. and a steel Oil 18mm 125 97X. Eye piece is marked 10. In very good condition. Measures 7.5" long.

 

Scarce illustrated first-edition 1903 reference on American mosses A. J. Grout: Mosses with Hand-Lens and Microscope: A Non-technical Hand-book of the More Common Mosses of the Northeastern United Sta

 

Vintage Drafting Tool. Serial No. 7409. Very clean like new condition

 

Antique American Optical Safety Goggles These antique goggles are missing their arms. Other than that they are in very good condition. The glass lenses are chip free with no significant scratches and

 

A good working spectroscope, signed C BAKER, 244 HIGH HOLBORN, LONDON. 4128 contained in leather covered case. The instrument is in near mint condition and produces a clear spectrum image. The instrum

 

Vintage doctors bag with patent number 52817041 with name AH GAILLIOT JR. Bag is in wonderful condition outside maybe cow leather. The lining is in good condition with no damage but needs some soap to

 

ART MEETS SCIENCE: Antique Spencer Brass & Copper Microscope of Academic Yesteryear This takes one back to the laboratories and classrooms of yesteryear’s universities. This vintage scope is res

 

A PAIR OF 15 X NIPPON KOGAKU (NIKON) EYEPIECES I have the pleasure of offering for sale a pair of 15 X eyepieces by Nippon Kogaku the Company that became known as Nikon after WWII. The oculars carry t

 

An Antique Carved Oak ''Aitchison & Co'' Aneroid Thermometer - late 19th Century On offer is this antique carved oak 'Aitchison & Co' aneroid thermometer. Of hanging type with suspension loop,