Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 207
ot-candles over the whole of themachine tables. (2) On machines, 4-7, 3-6, and 5-2foot-candles. This will give a mean reading of 4-5foot-candles on all the machines. (3) Envelope folder and gumming :— For the sake of comparison, figureswere also given for the portion of thefactory lighted by… … Fig. 1.—Messrs. Pc-ntonv and C.s I-aclorv. foot-candles. Bench .. ., .. .. .. 4-5 Shadow—i.e., position where envelopes are counted .. .. .. .. .. LO Ruling machines .. .. .. .. 8-1 Feed side of ruUng machine .. .. 6-8 Folding Bench 3-8 Litho machine .. .. .. .. 3-2 Wharfedales 6-8 (4) Compositors…
Lighting
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