Title continues: “A practical work on prime movers and the transmission of power; steam, electric, water, gas and hot air”. Dark green embossed cloth-covered boards, gilt titles to spine, gilt decoration to front board, frontispiece comprising a coloured, cut-out, flat model of a suction gas generator. Many other illustrations, diagrams etc; 237 pages. Condition: Boards soiled and scuffed, old paper label to front board, paper age-toned, but internally clean and bright, with tidy binding. Frontispiece/model in very good condition.