. American engineer and railroad journal . tems ol i company have been adopted by over150 railroads in the United States and applied to 16,000 car*.Th ■ simplii iy of i I nomy of main!MHM ■ Li ■■■HH IHMU IIH,.^^^^^^ PBOGR1 SS IN PINTSCH GAS 1 K. II TING. of this system has caused it to be adopted as standard by amajority of the railroads and lighthouse departments of theworld. A graphic illustration of the progress of Pintsch light-ing is presented in the accompanying diagram. ELECTRICALLY OPERATED WHISTLE VALVE. This is a device whereby an air or steam signal whistlemaybe operated at anj dist
. American engineer and railroad journal . tems ol i company have been adopted by over150 railroads in the United States and applied to 16,000 car*.Th ■ simplii iy of i I nomy of main!MHM ■ Li ■■■HH IHMU IIH,.^^^^^^ PBOGR1 SS IN PINTSCH GAS 1 K. II TING. of this system has caused it to be adopted as standard by amajority of the railroads and lighthouse departments of theworld. A graphic illustration of the progress of Pintsch light-ing is presented in the accompanying diagram. ELECTRICALLY OPERATED WHISTLE VALVE. This is a device whereby an air or steam signal whistlemaybe operated at anj distance, by the pressure of a buttonlocated at any desired point. In a large shop or yard sucha device is invaluable in calling foremen to the engraving illustrates the standard type for all ordinarypressures of steam. Any voltage of either direct or alter-nating current may be provided for in the winding of theactuating solenoid. Any whistle up to 3-in. diameter may *£». I III I ECU .Ml 01*1 RATED WIII8TL1 VALV1 he operal ed a! pn an of n on 75 i o I ■• Iba . and whenprovided with a larger valve, 6-In. whistles may be operated i be ai i on of the oh nold i to draw dew a the li on c and in i down the cu h li h opena a small pilot vb Ive nndei the main valve adi Ing ;I am to the expansion chain her above The mum valve Is hah id, and further motion .,i iin ie\ er i e ii opi i - Ing I be « h Istle \ spring seats the pilot valve when bhe currenl is turned off, and another old plunger when oul of action. The h the ■ bei alternal Ing reel Ifler, i reel currenl of any i equlred ,\ i the Wilmington hop of i he Pennsj Ivanla Ra II hill I 3d HI I he III i 1)1 i tem, At He I Lodge Ihl pli Wa< b Ine Tool 11 pany, I bi i a In usi aea i ly two 190 AMERICAN ENGINEER AND RAILROAD JOURNAL. years, and enables the office to signal any of the foremen orengineers, thus saving a great deal of time in finding is used in connection with their private te
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
