Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 164
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
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.