The practical draughtsman's book of industrial design and machinist's and engineer's companion : forming a complete course of mechanical, engineering and architectural drawing (1866)
Armengaud, M. (Jacques Eugène), 1810-1891, Armengaud, M. (Charles), 1813-1893, Amouroux, M. (Jules), Johnson, William, 1823-1846 · Philadelphia : H.C. Baird · leaf 195
ntercepted by this arrangement of tubular water-spaces, as it traverses the intermediate chamber, imparts its heatto an extended heating area. The tubes are disposed in tworows, sloping at reversed angles from one boiler to the other, toaid the internal circulation and the passing away of the… … beneath the generator on that side. This conveys the currentinto the external longitudinal flue, k, surrounding and covering ina great portion of the outer side and bottom of that generator;and this flue, k, then forms the duct for the traverse of the currenta second time to the far end of the…