Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 400
1615. DISC VALVE, for large gas pipes. Thedisc is revolved by a pinion meshed m a sector gearon the disc. … 1616. CENTRE GUIDE GAS HOLDER. A, the holder.b^ centre guide. t7, tube sliding on centre guide. B, tank. 1617. COUNTER-WEIGHTED GASHOLDER. A, the holder. B, the water seal. C, the counter weights. yyyyyyyyy^^^y^y-^^yyy^yA
Mechanical movements
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