Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 75
us tending to keep the columns comparatively cool. Insetting boilers in this way, the columns and I-beams areset in position first. The boiler is then hoisted to the properheight by means of tackle, which is attached to the I-beams,and when the boiler is brought to the proper height, theU-bolts are… … Fig. 27 The expansion is easily taken care of by the U-bolts andhangers, and if the walls are properly set, they will show ■ Setting Return Tubular Boilers 63 no cracks as they carry no weight, and are free to go andcome. The accompanying table, No. 1, has been carefullyworked out with a factor of…
