Early collection of metal darkfield stops(diameter 35mm) in original canister

 

CALOUSTE GULBENKIAN FOUNDATION SCIENCE DEPARTMENT MODERN ART CENTRE JOSE DE AZEREDO PERIDIGAO. c1997 .. UNBIVERSITY OF COIMBRA FACULTY OF SCIENCE AND TECNOLOGY PHYSICS MUSEUM .... PRINTED IN ENGLISH !

 

This antique folding binaural stethoscope belonged to my grandfather, who had a medical practice in Berlin, Germany from 1896 through 1933. There are separate, interchangeable, bell and diaphragm ches

 

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

 

This auction consists of two vintage wooden mortar and pestle mixing grinding bowls. Each piece is in nice vintage condition. The largest hand held grinder pestle has a crack at the top of handle. The

 

THIS IS A VICTORIAN MAHOGANY CASED COMPOUND MICROSCOPE BY E HURTNACK & A PRAMANSKI RUE BONAPARTE 1 PARIS,THE CASE MEASURES APROX 11"X 5.5" AND IS 4" DEEP.MICROSCOPE MEASURES APROX 12" THE OPTICS A

 

lulupie Store Early Field Microscope c1900 screw off lenses England

 

This is not my field of expertise so I will do my best to describe this mortar and pestle. It measures approx.7 1/2" in height 4 3/4" in diameter and the pestle is approx. 9" in length. It has a crack

 

Up for auction is a Vintage Early 1900s RENULIFE Violet Rays Quack Medical Device. It`s an early 1900`s Renulife Violet Rays Quack medical electric device. I believe, it works like TENS Unit. I plugge

 

Up for auction is a vintage hand blown human glass eye dating from the 1900 – 1940s. These eyes were hand made, and were used up till the Second World War till plastic superseded them. It has a ligh