Janssen's photo revolver. Artwork showing some of the dics and movement mechanisms within Jules Janssen's (1824-1907) photo revolver. This instrument
Janssen's photo revolver. Artwork showing some of the dics and movement mechanisms within Jules Janssen's (1824-1907) photo revolver. This instrument was invented to capture the 1874 transit of Venus. Janssen took his photo revolver to Japan, where he took 48 exposures at one-and-a-half second intervals of the transit.
Size: 5315px × 3383px
Photo credit: © ROYAL ASTRONOMICAL SOCIETY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1800s, 1874, 19th, artwork, astronomical, astronomy, black--white, century, cogs, daguerreotype, diagram, disc, discs, drawing, equipment, historical, history, illustration, instrument, janssen, jules, labelled, labels, mechanical, monochrome, photo, photographic, photographique, plate, revolver, science, technological, technology, transit, venus