Teaching materials - C. Weitzmann - Brass, Iron - late 19th - Magdeburg Hemispheres
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Antique Magdeburg hemispheres in brass with an iron tripod stand, by C. Weitzmann, measuring 19.5 cm high, 15 cm wide and 15 cm deep, in good condition with a warm age patina.
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Description from the seller
A rare and historically significant antique physics instrument — a complete set of Magdeburg hemispheres in brass, mounted on an iron tripod stand, manufactured by instrument maker C. Weitzmann, c. 1825.
The Magdeburg hemispheres were originally devised by Otto von Guericke in 1654 to demonstrate the force of atmospheric pressure and the power of vacuum. When the air is evacuated from between the two precisely machined hemispheres, they become impossible to separate by hand — a dramatic and elegant demonstration of pneumatic principles. This example was used for practical physics instruction throughout the 19th century.
The brass hemispheres are finely turned and fit together with precision. The iron tripod base is intact and stable. The piece presents in very good condition with a warm, well-developed patina consistent with its age and use as a scientific teaching instrument.
Examples of this quality and age by named instrument makers are rarely seen outside museum collections and represent an important chapter in the history of experimental physics and scientific education.
Maker: C. Weitzmann
Period: c. 1825
Height: 19.5 cm
Material: Brass hemispheres, iron tripod
Condition: Good — used, with natural age patina
Origin: Denmark/Germany
Shipping: Insured tracked parcel (PostNord/GLS), well packed.
A rare and historically significant antique physics instrument — a complete set of Magdeburg hemispheres in brass, mounted on an iron tripod stand, manufactured by instrument maker C. Weitzmann, c. 1825.
The Magdeburg hemispheres were originally devised by Otto von Guericke in 1654 to demonstrate the force of atmospheric pressure and the power of vacuum. When the air is evacuated from between the two precisely machined hemispheres, they become impossible to separate by hand — a dramatic and elegant demonstration of pneumatic principles. This example was used for practical physics instruction throughout the 19th century.
The brass hemispheres are finely turned and fit together with precision. The iron tripod base is intact and stable. The piece presents in very good condition with a warm, well-developed patina consistent with its age and use as a scientific teaching instrument.
Examples of this quality and age by named instrument makers are rarely seen outside museum collections and represent an important chapter in the history of experimental physics and scientific education.
Maker: C. Weitzmann
Period: c. 1825
Height: 19.5 cm
Material: Brass hemispheres, iron tripod
Condition: Good — used, with natural age patina
Origin: Denmark/Germany
Shipping: Insured tracked parcel (PostNord/GLS), well packed.
Details
Era
1400-1900
Title additional information
Magdeburg Hemispheres
Material
Brass, Iron
Manufacturer/brand
C. Weitzmann
Style
Antique
Condition
Good condition - used with small signs of aging & blemishes
Height
19.5 cm
Width
15 cm
Depth
15 cm
Weight
2 g
Estimated period
late 19th
