New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 50
Revs, per MilCut-off, 44 ii Nov, 7, north.No. 42, Rt, Cyl,Steam, 1.57.Cut-off, 44 in.Revs, per Min,, Throttle wide operM,E, P,, Front, 39M, E, P„ Back, as-;H. P. of Engine, 3!);Spring, 100, … M. E, P„ Front, 18-7M, E. P,, Back, -iir,.H. P. of Engine, 4S.5.Throttle, wide.Spring, 100
Railroads · Railroad cars
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
![An illustration from L'optique divisée en trois livres : ou, l'On démontre d'une maniere aisée tout ce qui regarde 1. la propagation & les proprietez de la lumiere. 2. La vision. 3. La figure & la disposition des verres qui servent à la perfefectionner [sic] (1682)](https://img.insideoutlibrary.com/img/200/ia-loptiquedivise00ango-45-6.webp)
