Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 23
Fig. 6 detail of water-leg, hand hole plates and yokes, etc., of heine boilers 12 Steam Engineering … Fig. 7side sectional view of heine boiler 6 shows these hand hole plates, marked H. In the uppercorner one is shown in detail, H^ being the top view, and Heine Safety Boiler 13 H^ a side view^ while H^ is the yoke or crab placed outsideto support the bolt and nut. Fignre 7 is a longitudinalsection…
