Crookes tube, 19th Century artwork

Crookes tube, 19th Century artwork

C022/2666 Rights Managed

Request low-res file

530 pixels on longest edge, unwatermarked

Request/Download high-res file

Uncompressed file size: 25.5MB

Downloadable file size: 7.1MB

Price image Pricing

Please login to use the price calculator


Caption: Crookes tube. 19th Century artwork showing someone demonstrating the fluorescent effect seen on a cardboard screen painted with barium platinocyanide when exposed to the light of a Hittorf Crookes tube. Invented by William Crookes (1832-1919) in the late 19th century this apparatus was used to investigate the path taken by electrons, or cathode rays as they were known. The electrons are emitted from a central element towards the glass. As the electrons collide with the glass they fluoresce. This apparatus was able to show that electrons travel in straight lines. The overall glow of the apparatus is caused by the excitation of the remaining gas molecules in the tube. From Weltall und Menscheit (Universe and Humanity), by Hans Kraemer (ca.

Release details: Model release not required. Property release not required.

Keywords: 1800s, 1880, 19th century, adult, anode, artwork, barium platinocyanide, black background, cardboard screen, cathode, cathode ray, caucasian, container, crookes tube, early, electrical discharge tube, electrode, electrodes, electron, electrons, emission, emitting, equipment, europe, european, exposed, exposing, exposure, fluorescence, fluorescing, german, germany, glass, hand, hans kraemer, historical, history, history of science, hittorf, holding, human, illustration, light, partial vacuum, people, person, physical, physics, rays, technological, technology, universe and humanity, weltall und menscheit, white, william crookes

Licence fees: A licence fee will be charged for any media (low or high resolution) used in your project.