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 209
vel of the feed troughs in the top of the heater. 196 Steam Engineering Disks with orifices of proper and equal size are placed be-tween the flanges of the L-shaped feed-pipes and the tees,and by this means the water is equally distributed into thevarious tiers of pans. When it is desired to feed… … Fig. 75end sectional view of hoppes class r heater A feature recently added is an overflow dam, at the rearend of the heater, which is intended to act as a skimmerand also to add to the capacity of the overflow pipe by in-creasing the head on the outlet without causing the waterto rise higher in…
