Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 60
r cent, and soon, and these figures are probably not far from correct.Therefore, the purification of the feed water before itreaches the surfaces exposed to the baking heat of thefurnace tends to a more economical use of fuel. It alsoreduces cleaning labor and the cost of repairs and increasesthe… … FiG. 21 ATLAS WATER TUBE BOILER Section through Rear End Showing Water Purifier ness due to a coating of scale. An individual hand-hole islocated opposite each end of each water tube. 48 Steam Engineering These hand-holes are of the diamond-oval shape^ havingan accurately fitting plate^ held in…
