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 248
ver per hour, multiply the distance ininches, at given temperature, on the diagram. Fig. 96, by1,000 times the effective area in square feet, and by thesquare root of the height in feet. This gives a maximum.Friction in flues and furnace may reduce it greatly. The external diameter of a brick… … Fig. 96 Thickness of brick work: one brick (8 or 9 inches) for25 feet from the top^ increasing V2 brick (4 or 4^/2 inches)for each 25 feet from the top downwards. 236 Steam Engineering If the inside diameter exceed 5 feet the top lengthshould be 11/2 bricks, and if under 3 feet it may be 1/2brick…