The manufacture of alum and the sulphates and other salts of alumina and iron; their uses and applications as mordants in dyeing and calico printing, and their other applications in the arts, manufactures, sanitary engineering, agriculture, and horticulture (1901)
Geschwind, Lucien · London : Scott, Greenwood & son; New York : D. Van Nostrand co. [etc., etc.] · leaf 276
and access to the rear of the latter is possible, a circular hole, of rather smaller diameter than the pipe, is cut in the sheet. The metal round the hole is then turned up outwards so as to form a neck large enough to admit the pipe without too much play. The latter is next fixed in position in… … Fig. 176. — Bolted loose-flange joint for pipes. from which point onwards the sheet B is attacked until c is reached. When the wall cannot be got at from the back, or when it is desired to have the soldered joint on the same side as the pipe, the latter is first fitted with a collar C (Fig. 175).…
Alum · Sulphates · Dyes and dyeing · Chemistry, Technical
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