Engraving depicting a sectional view of Sautter and Lemonnier's projector, fitted to French warships. Power was supplied by a Gramme machine and the light source was Serrin arc lamp. The Stepped lens in front of the light was arranged to give a cylindrical beam.

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Size: 5728px × 3661px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 19th, arc, archival, archive, beam, century, cylindrical, electric, electricity, engraving, french, gramme, historic, historical, history, lamp, lens, light, lighting, lumonnier, machine, power, projector, sautter, sectional, serrin, view, warship