The industrial and artistic technology of paint and varnish (1917)
Sabin, Alvah Horton, 1851-1940 · New York, J. Wiley & Sons, Inc.; [etc., etc.] · leaf 293
TECHNOLOGY OF PAINT AND VARNISH. 270 cumference toward the end and, by raising of lowering it, this annular opening may be increased or diminished in size. The distinguishing feature of this appliance is the use of this nozzle as a siphon with its perforation as shown. The small holes permit part… … THE NEWHOUSE SAND-BLAST. to escape outwardly through the surrounding sand, thus stirring it up and preventing it from clogging the opening. A similar siphon, without the perforations, is placed in the air-pipe. The process of cleaning with the sand-blast is essentially as follows : Air at a…
Paint · Varnish and varnishing
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