. American engineer and railroad journal . re-quired for heating the third and fourth tires over tlic first, fifthand lies, probably, in the fact that^whcn the first named The particular engine illustrated above is one of two in useby the Worcester A: Jlillbury Kailroad, and is of 3i(t ;cylinders, 1;J in. and 24 in. x IH in. ; siieid, 2110 r<-volutions ;wheels, SO in. in diameter. It has a steam-jneUetted receiver,and the high-jiressure cylinder is also steam jacUetted. It isself-contained, having a base under engine which is extendedto support the cylinders. The low-pressure c
. American engineer and railroad journal . re-quired for heating the third and fourth tires over tlic first, fifthand lies, probably, in the fact that^whcn the first named The particular engine illustrated above is one of two in useby the Worcester A: Jlillbury Kailroad, and is of 3i(t ;cylinders, 1;J in. and 24 in. x IH in. ; siieid, 2110 r<-volutions ;wheels, SO in. in diameter. It has a steam-jneUetted receiver,and the high-jiressure cylinder is also steam jacUetted. It isself-contained, having a base under engine which is extendedto support the cylinders. The low-pressure cylinder has fourCorliss valves worked by a very simple and etlicient device. The comjiany is now building engines of this type from to as large as JOO IIP. The details of these engines seemto be particularly well worked out, and it is useless to speakof the |i, as this company aim to furnish nothingbut the best. The Jarvis Engineering Company of 01 OliverStreet, Boston, Mass., are the Eastern agents for the sale of :i. ARMINGTON & .SIMS TANDEM COMPOUND ENGINE. were reached tin; tank pressure had fallen from to 20 lbs.,and was again pumped up to 25 lbs. before doing the work onnumbers five and six. After the tests the t;uiks were againweighed, luid it was found that one had consumed 47 and theother had consumed 41 lbs. Taking the oil as weighing 6i the gallon, we have a total oil consumption for the 88 + gallons. It must be taken into consideration, how-ever, that whereas both lamps were burning for 2 hours and30 minutes, there was an interval of 40 miiuites between testsfour and five, when no work was being done. So we have theoil cousumiition in actual service leduced to 041 lbs., or 9f+gallons. As this oil costs six cents a gallon, the cost for heat-Hig ihe six tires is 581 cents. The temperature of llie llame hasnot been accuiately determined as yet, but it is believed thatit is suHiciently high to heat locomotive tlames for straigh
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
