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Good light : what it is and does, what it means for the home, what it means in business, what it costs and how to get it (1913)

Macbeth-Evans Glass Company · Pittsbugh, Pa. : Macbeth-Evans Glass Company · leaf 17

An illustration from Good light : what it is and does, what it means for the home, what it means in business, what it costs and how to get it, 1913, leaf 17 — fourteen MACBETH-EVANS GLASS COMPANY PITTSBURGH … Office of the President—Carnegie Steel Co., Pittsburgh. Pa. illumination which has to be partly smothered before it iseven endurable. Good light not only saves, being the product of themost economical use of current, but earns a profit by-increasing efficiency, improving health, and…

Interior lighting · Electric lighting

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