. American engineer and railroad journal . 2 Delivered to circuator 1-6 Delivered to boiler feeder. Leakage and high pressure drips Heating 0-2 Loss in engine friction Delivered to small auxiliaries To house auxiliaries Radiation from engine Rejected to condenser Electrical losses Totals Delivered to bus-bar We may assume that with a good steam generating station weconvert but ten per cent, of the heat stored in the coal into elec-tricity, on the bus-bars. Further losses due to distribution andconversion, in various ways, to light and power occu
. American engineer and railroad journal . 2 Delivered to circuator 1-6 Delivered to boiler feeder. Leakage and high pressure drips Heating 0-2 Loss in engine friction Delivered to small auxiliaries To house auxiliaries Radiation from engine Rejected to condenser Electrical losses Totals Delivered to bus-bar We may assume that with a good steam generating station weconvert but ten per cent, of the heat stored in the coal into elec-tricity, on the bus-bars. Further losses due to distribution andconversion, in various ways, to light and power occur so that weget but little of the potential energy provided for our use bya wise and beneficent nature. Surely, if our ecclesiastical brethrenmaintain that the storage of coal is a manifestation of DivineProvidence, the present inventions for utilizing it must haveemanated from his Satanic Majesty.—From President M. address before the A. S. M. E. 186 AMERICAN ENGINEER AND RAILROAD JOURNAL. .!..!..£,l) J ».-, lite I. Q 0. o W FOUR-HOPPER STEEL COKE CAR Il NNSYLVANIA K.\ The standard equipment : of the Pennsylvania Railroad fortransporting coke has been the classes Gpa, Gsa and Gsd cars,which were fully illustrated and described in this journal Octo-ber, 1905, page 359, and January, 1906, page 11. Recently, how-ever, in considering the ordering of more equipment of thistype a new design, having four-hoppers, which is entirely self-clearing and has a capacity of 2,794 CU. ft., or 85,000 lbs. of coke,has been developed. This is known as class H-21. The features of this car are, in many particulars, very similarto the standard Gla steel hopper car, which was illustrated anddescribed on page 148 of the May, 1905, issue of this same principles of design bold in both cars, the principaldifference being in the arrangement and construction of the hoppers and their operating gear. Structural steel members and plates are used almost exclu-sivel
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