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 753
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 drnm… … 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 whichis made in the operation…
