Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 159
unnecessarily opposing, him. a thoroughlyreliable but unobtrusive partner in the operation of his engine. M4 Frank J. Sprague. [J. F. I. which, while at all times interposing an effective shield betweenhim and disaster, will leave, within all proper limits, the handlingof the train subject to his… … Magnetic receivers dismounted. cient. Yet an analysis of possible equipments will readily showthe limitation of choice if satisfactory results in railroad operationare to be obtained. SPRAGUE SYSTEM. To illustrate the above system I will give a brief progressiveexplanation of how^ this intermittent…
Science · Technology · Meteorology · Patents
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
