Inside Out Library
Light and lighting (1908)
Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 220
LIGHTS £eT02~i/iaOY£BENCH > BENCH B — LIGHTS ^-g ABOVE BENC i© i® j® 3j|etj ^3 erf q TURRET LATHESLIGHTS Zo ABOVE CHUCK ■) LIGHTS 4-6*ABOVE BENCH \n … Fie 19 POLAR CURVE OF \anP »no Finine used QXEfl BENCHES A- C AND D/N FIG IB FIO.I8 PLAN OF LIGHTING OF ENGINEERS SHOP• POINTS OF OBSERVATION© LIQHTIMG UNITS WITH POLAR CURVE OF FlQ >3 cent. Reflection from the walls has verylittle to do with the result, nor has reflec-tion from the dark bench…Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
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