Cryptoscope or Röntgen viewer, C 1900

Cryptoscope or Röntgen viewer, C 1900

Stock Number: 00 271010 c S



25 x 20 x 7cm, extended 25 x 20 x 33cm.



Countries of manufacture

UK and Ireland, Germany

Categories: Therapeutic & Functional Aids, Other Medical Antiques, Medicine


A mahogany, folding,  cryptoscope or Röntgen viewer. It has a, faux fur lined, viewer above a canvas harmonica. At the bottom a slide for the wood-framed calcium sulfide fluorescent screen.

Science prof. Enrico Salvione from Perugia was the inventor of the ‘criptioscopio’ in 1896. It was a cardboard sleeve with at one side with calcium sulfide fluorescent screen and on the other side an eyepiece through which the observer can see the screen sharp without being disturbed by ambient light.

The doctor put between the cryptoscope and the X-ray tube, for example a hand, to see mostly hard tissues and soft tissues on the fluorecent screen. It was also an instrument to tests the quality of the X-ray tube.

Measurement. 25 x 20 x 7cm, extended 25 x 20 x 33cm.

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NL Van Leest Antiques

Van Leest Antiques

Van Leest Antiques, based in Utrecht in the Netherlands, specialises in antique scientific and medical instruments. Their collection covers mainly scientific and medical antique instruments: barometers, globes and planataria, nautical instruments, anatomical models, and pharmacy items. Toon Van Leest travels regularly in Europe and visits trade fairs, auctions, and antique dealers to collect stock and to find pieces to fulfil his clients' unusual requests.

As well as being an avid antique collector and dealer, Toon Van Leest is also a dentist. He believes that antiques are a stable investment, not reliant on trends or fashion, and have truly lasting value. Above all, he says, antiques are timeless and never lose their beauty.