Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 165
h a tzvo-degree alternative braking,variable speed control and fixed track reset. If instead of a permanent track reset one under control oftraffic conditions is used, then the locomotive equipments, modifiedas noted in examples 2, 3 and 4, will give combinations whichmay be designated as: 8.… … Main engineers valve and signal lights in engine cab. 10. Single-impulse stop, with a tzvo-degree alternative braking,variable speed control and traffic-controlled reset. In the equipments thus far described there has been providedbut one brake apphcation track magnet per block, without or with…
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