. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 590. REVERSING CAR SEAT. A shiftingback seat actuating a foot rest when shifted, tomove into proper position to carry it out of the wayof the occupant of the seat and leave a baggagespace under the seat, while at the same time, bythe same movement, the foot rest is pr
. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 590. REVERSING CAR SEAT. A shiftingback seat actuating a foot rest when shifted, tomove into proper position to carry it out of the wayof the occupant of the seat and leave a baggagespace under the seat, while at the same time, bythe same movement, the foot rest is properly placedfor the occupant of the rear seat. Also to tilt thecushion to the proper level for each way the seat isturned. 228 RAILWAY DEVICES AND APPLIANCES, 591. FOUR-SPINDLERAIL DRILL, arrangedto drill four f-inch holesat once, either in line orstaggered. The distances of the drillsare compensated by doubleuniversal joint rods. The drill spindles run insleeves adjustable on a crossbar, which slides by a handwheel gear for feeding thedrills. 592. CRANK-PIN TURNING MACHINE. The rig comprises es-sentially two tool carriages turning around the crank shaft, which is fixed, and it is in-dependent of anyspecial device thatmay be used forcentering the two tool car-riages are shapedas circular seg-ments and are dia-metrically oppositeeach other, pivotedat one end on atoothed crownwhich is made in two parts. This crown turns in a circular frame, alsomade of two pieces, and is driven by a pinion connected with a pulleybelted to the shafting of the shop. The circular frame is mounted on a
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
