The lighting book; a manual for the layman, setting forth the practical and esthetic sides of good lighting for the home (1913)
Godinez, F. Laurent · New York, McBride, Nast & company · leaf 101
2 ° — MAKING MOST OF LIGHT 67 being promoted by unscrupulous manufacturers.These consist of an ordinary quicksilver Trackingcovered with a coat of enamel. The heat of thelamp, expansion of the glass, and its contraction,disintegrate the quicksilver and crack its enamelbacking—which cannot be baked…
Lighting
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