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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 20

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 20 — Absorption is waste. It destroys light you have paidfor creating. A certain amount of absorption is unavoid-able, but many kinds of glass are very extravagant inthis respect. In transmitting light, it is important that its badqualities should be eliminated and its good ones preserved.As much as… … eighteen MACBETH-EVANS GLASS COMPANY PITTSBURGH

Interior lighting · Electric lighting

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