Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 166
583. STONEWARE FILTER for household use.The lower jar for storage of filtered water. Theupper jar has a hole filled with sponge that filtersthe dirt out; beneath, a bed of charcoal on a porousstone or earthen plate. … 584. WARD FLEXIBLE PIPEJOINT.—The internal surface of the hubis made spherical. The corrugated pipeend is inserted and the space filled withlead and calked.
Mechanical movements
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