In this form of revolving light, the central burner is surrounded by annular lenses, L, and a compound arrangement of inclined trapezoidal lenses, L',

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In this form of revolving light, the central burner is surrounded by annular lenses, L, and a compound arrangement of inclined trapezoidal lenses, L', and plane silvered mirrors, M. The inclined lenses are closely fit to each other, vintage line drawing or engraving illustration.

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Size: 5000px × 2268px
Photo credit: © Patrick Guenette / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: fresnels, vector, vectors