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 755
small piston inplace for gas engine work. The pencil arm is of extrastrength to withstand the shock due to the explosive press-ure exerted upon the piston. The drum is of small dia-meter and extremely light to reduce the effect of inertia toa minimum. 738 Steam Engineering The tension of,the drum… … Fig. 306a lowered on the paper according to the size of the diagramto be taken. Fig. 306^ shows the new Crosby indicator designed fortaking continuous diagrams. The drum is designed to use Gas Engine Indicator 739 a roll of paper 2 inches wide and 12 feet long, upon whichMs made in the operation of…