energy, electricity, lamps, arclamp, shematic illustration of arclight with reflectors, 1897,

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Photo credit: © INTERFOTO / History / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -entrant, 1890s, 19th, acute, angle, angles, arclamp, arclight, century, current, draft, drawing, electric, electricity, energy, historic, historical, illustration, lamps, math, mathematical, obtuse, optics, physics, power, reentrant, reflectors, reflex, shematic, straight, technic, technics