. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . gm and valve, incased ina body. Brake-pipe pressure enters atG and charges chamber A; equalizing-reservoir pressure enters at F andcharges chamber B. This becomesactive only when the brake-pipe pres-sure is cut off from the equalizing res-ervoir pressure in lap position. Shouldthere be any brake-pipe leakage, there-by reducing the pressure in chamberA, pressure in chamber B will raisediaphragm D and valve C, dischargingto the atmosphere an amount propor-tionate to the extent of such
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . gm and valve, incased ina body. Brake-pipe pressure enters atG and charges chamber A; equalizing-reservoir pressure enters at F andcharges chamber B. This becomesactive only when the brake-pipe pres-sure is cut off from the equalizing res-ervoir pressure in lap position. Shouldthere be any brake-pipe leakage, there-by reducing the pressure in chamberA, pressure in chamber B will raisediaphragm D and valve C, dischargingto the atmosphere an amount propor-tionate to the extent of such the equalizing reservoir becomesovercharged, the result of moving fromfull release to lap postion, as the brake-pipe pressure reduces from leakage andfeeding auxiliaries, equalizing valvesimmediately respond and quickly re-duces equalizing reservoir pressureequal to brake-pipe pressure. J. A. Jesson,L. & N. Air-Brake , Ky. Brake Shaft Lock. ( )ur illustration is of an invention that may be termed a locking device for the hand brake shaft on railway freight car equipment. Mr. William. CAR END WITH BRAKE LOCK. If. Durant. of Concord, N. H., is theinventor, and claims for his patent anovel and efficient manually governedbrake mechanism particularly adaptedto any equipment using the hand wheel Smoke Box Fills : Will you be so kind as to answerthe following questions through themedium of your valuable paper? Wehave an engine in service which iscausing a good deal of trouble on ac-count of tilling up the front end withsparks. The engine has the singleconvey pipe and the master mechanicsstandard front end. Can you enlighten us through yourvaluable paper, as I believe it would
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