Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 101
by a pencil; the space betweenthe two lines so obtained being then filled in with ink, to represent the thicknessof the tube. The actual, deformed contour being recorded in this way, dottedcircles were next drawn, to show the original form from which the tube had beendistorted by the action of the… … Fig. 3.— Cross Section of the Tube shown in Fig. 2. ning was in no case great enough to render the tubes unserviceable, however, norwas it greater than would be found in the general run of boilers that have beena few years in service. The cumulative effect of the blows of a power cleaner of this…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-110-285.webp)
