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 138
Fig. 49 … Fig. 50 at right angles, as shown in Fig. 49. The distance 0-Bshould equal that from the rear wall to the boiler head,and the height, 0-A, should be about equal to 0-B, andshould bring the point A about two inches above the top 126 Steam Engineering row of tubes. The clamp thus formed is filled…
