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 75
s 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,land 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 T^ubular Boilers 63 no cracks as the}^ carry no weighty and are free to go andcome. The accompanying table^ No. 1, has been carefullyworked out with a factor of…
