Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 210
f known tension, so as to confine the strokeof the indicator piston within a certain small limit. Second. The stroke of the indicator piston is com-municated by a multiplying mechanism of levers andparallel motion to a pencil moving in a straight line;the distance through which the pencil moves… … Sectional View Crosby Indicator engine throughout an entire revolution is communi-cated to a small drum attached to and forming a partof the indicator. The movement of the drum isrotative and in a direction at right angles to the move-ment of the pencil. The forward stroke of the engine 204…
Locomotives
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-321-196.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-163-132.webp)