Microscope Achromatic by Vincent Chevalier, 1820-1830

Microscope Achromatic by Vincent Chevalier, 1820-1830

Stock Number: 390929 a

P.O.A.

Dimensions

box 15 x 21 x 9 cm

Circa

1820-1830

Country of manufacture

France

Categories: Scientific, Microscopy

Description

fine Microscope Achromatic by Vincent Chevalier. Signed on the tube: Microscope Achromatic – Vincent Chevalier – Ing Brevete – Quai de l’horloge 69 – Paris. In original case with several accessoires. The measurements of the box are 15 x 21 x 9 cm and I will date the microscope 1820-1830.

It is one of the first microscopes having as objective a system of lenses able to correct satisfactorily the chromatic aberration. The tube is vertical and is supported by a ring connected by means of a short arm to a vertical bar. The stage consists of a square plate with a hole in the center. A rotating horizontal disk having five holes of differents diameter allows to restrict adequately the observation field by transmitted light of the original concave mirror. The observation are possible also by incidence using light coming from a convergent lens (bulls eye) placed at the end of a thin adjustable arm fixed to the stage. The eypiece is held by a short tube which can be pulled out of the body of the microscope. The whole optical device can be extracted from its supporting ring. The instrument is equipped with two exchangeable eyepieces and two objective. The vertical bar is screwed in a wooden case where the instrument may be kept.

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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.