WOOD/METAL Stem

The Solar Radiometer from crystal glass in a stand of beech wood combines both natural materials harmoniously. The ball is made of crystal clear Lauschaer glass, inside of which is a rotor, the light causes it to turn. This article has the protected trademark of the Thuringian glassblower federation Lauschaer Glaskunst ®. ..

Evacuated glass bulb of approx. 70mm diameter having fine pivot at its centre which supports four light weight vane of mica 10mm square approx. and blackened on one surface. Mounted on a bakelite stand. When exposed to sunlight or bright lamp, the rotor rotates rapidly. Solar Radiometer. ..

This Solar Radiometer is on a dark wood stem. The globe is made of crystal clear Lauschaer crystal glass. In the glass globe is a 4-vane drive assembly, which turns under the influence of light. One side of each vane is black, the other is silver. Height: ca. 24cm. (9.4 in) Globe diameter: ca. 8cm. (3.25 in) The Crookes radiometer, also known as the light mill or solar engine, consists ..

These 2 Solar Radiometers are mounted in an hourglass frame. The globes are made of crystal clear Lauschaer crystal glass. In each glass globe is a 4-vane drive assembly, which turns under the influence of light. One side of each vane is black, the other is silver. Height: ca. 24cm. (9.4 in) Globe diameter: ca. 8cm. (3.25 in) The Crookes radiometer, also known as the light mill or solar..

Order no.: R 090713 (diameter: 80 mm) Clear Solar Radiometer sphere with a tin foot produced by the tin molder company Bartel in Freiberg by hand. The radiometer is ca. 18 cm high. Product of the brand mark Lauschaer Glaskunst. ..

In a vacuum inside a free-standing globe the vanes constantly revolve in sunlight. The simplest possible demonstration of solar power. The Solar Radiometer is made by traditional Thuringian hand-blowing in Germany, of crystal-clear Lauschaer bottle glass. In the glass body is a 4-vane drive assembly, which turns under the influence of light. One side of each vane is black, the other is silv..