The gardener's magazine and register of rural & domestic improvement (1826)
Loudon, J. C. (John Claudius), 1783-1843, A. & R. Spottiswoode, printer, United States. Patent Office. Scientific Library, former owner DSI · London : Longman, Rees, Orme, Brown and Green · leaf 555
b, the man-hole ; c c, apertures 3 in. square, and 9 in. long, with the cocks, d d,fixed on to the front with a movable flange, to clear out the dirt, &c, fromthe inside; e, the fireplace; F, the outside of the boiler, forming the sideflues, where the fire passes round ; g, the top of the…
