176pp with 88 illustrations and 20 charts, tables etc. In black cloth-covered boards with gilt lettering on spine (boards lightly rubbed at edges, rounded on corners and spine ends, a few small, mild white marks, one heavy indentation on leading edge, with affects the first few pages). Previous owner's name on the front free endpaper else internally neat, clean, bright and tight. A guide to the operation and maintenance of ordinary small-scale industrial boiler plant, recording the different types of boiler plant available at the time and their means of operation. This, the second revised edition, places greater emphasis on fuel economy, urged on by the war time need to conserve fuel.
