Morrell, R. S. (Robert Selby), 1867-1946, Waele, A. de (Armand), 1887- · New York : D. Van Nostrand · leaf 63
mercury lamp the maximum was attained in 25 hours. Under these conditions linseed oil was found to absorb 34 per cent, of its weight from the atmosphere. Changes in weight are accompanied by changes in volume. Friend {Trans. Chem. Soc, 1917, iii, 162) found that with increase in weight (17 '9-18 '5… … cracking of paints and the shrivelling of varnishes. Wolff {Farb. Zeit., 1919, 24, 1119) has found that where varnishes yield glossy films in light of short wave-lengths, shrivelled films are produced in light of long wave-length. He maintains {loc. cit., 1389) that in varnishes exposed to light of…
Gums and resins · Rubber · Linoleum · Paint · Varnish and varnishing
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