. American engineer . \ 87, No. 8, iiicnt sleeping cars running in tlie Twentieth Century Limitedare equipped with a device for this purpose. The seat ends arehinged so that they can be swung down and supported by anangle brace and form a horizontal extension of the seat. Whenthe two seats are pulled out, as is ordinarily done in making up,T lower berth, a filler is placed between the two ends after they I^HE^hHI^^^^^^I Seat End in Extended Position. have been lowered, thus forming a full size bed. In travelinglong distances passengers frequently become tired and wish torest during the day
. American engineer . \ 87, No. 8, iiicnt sleeping cars running in tlie Twentieth Century Limitedare equipped with a device for this purpose. The seat ends arehinged so that they can be swung down and supported by anangle brace and form a horizontal extension of the seat. Whenthe two seats are pulled out, as is ordinarily done in making up,T lower berth, a filler is placed between the two ends after they I^HE^hHI^^^^^^I Seat End in Extended Position. have been lowered, thus forming a full size bed. In travelinglong distances passengers frequently become tired and wish torest during the day, and with this type of seat the end may beswung down at any time and a comfortable couch provided onwhich a person may stretch out at full length. This extension■seat was invented by Mrs. R. C. Smith, Chicago, 111., and thepatents are controlled by the Pullman Company. TURNTABLE TRACTOR A type of turntable tractor which is made by the Weir & Craig?vlanufacturing Company, Chicago, is shown in the tically as an independent unit on the pit rail, so that no shockor vibration will be communicated to it or any of its parts whenthe locomotive is placed on the table; this is obtained by con-necting the main frame to the table by sliding links. Trouble has been experienced in some designs because theentire machine was pivoted on one wheel and had a compara-tively rigid connection to the table. Considerable shock andvibration was thus communicated to the tractor, causing troublewith the wiring to the motor and the controller, as well as withthe bearings and other parts, and this method of eliminatingthe vibration should reduce the cost of maintenance and in-crease the efficiency of the device. The tractor is designed,primarily, for electric power but may be equipped with a com-pressed air motor if electricity is not available, in which eventthe air motor may be replaced by an electric motor at any latertime without alterations to the remainder of the machine. By refere
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
