. Automotive industries . ake upthe effects of frame distortion. An Oil Pressure Reservoir AN oil gun designed for use in a chassis lubricatingsystem consists of a nickel plated metal bottle inwhich are located a piston and a heavy coil spring. Theoil is contained in the upper part of the bottle and is putunder pressure by the piston and coil spring. A length offlexible tubing is attached to the top of the bottle and theend of the tubing is equipped with a check valve whichis released by the special fittings which replace the greasecups and oil cups on the car. In fitting the gun, the cap at t
. Automotive industries . ake upthe effects of frame distortion. An Oil Pressure Reservoir AN oil gun designed for use in a chassis lubricatingsystem consists of a nickel plated metal bottle inwhich are located a piston and a heavy coil spring. Theoil is contained in the upper part of the bottle and is putunder pressure by the piston and coil spring. A length offlexible tubing is attached to the top of the bottle and theend of the tubing is equipped with a check valve whichis released by the special fittings which replace the greasecups and oil cups on the car. In fitting the gun, the cap at the top should not be re-moved until the full tension has been taken off the pistonby contracting the spring to the fullest possible is done by inserting through a hole in the bottom ofthe bottle, the long, threaded rod which is supplied withthe outfit. This rod contracts with a socket in the bottomof the piston. The rod is screwed into place and then thenut run up this rod as far as it will go. Then the wrench. is used to bring the piston back to as near the bottom ofthe bottle as possible. This comprises the spring and re-leases all pressure from the top of the bottle. The coveris then removed and the bottle is filled, the cap replaced,the tension taken off the spring by turning back on thenut at the bottom, the threaded rod removed, the bottomcap replaced, and the oil gun is ready for service. The device described is known as the Romon oil gun andis manufactured bv Roberts & Monrce. Romon oil g Sectional vie\Romon oil gun An Optical Pyrometer A SIMPLE and cheap optical pyrometer known as thePyromike has been developed in England by theRudge-Whitworth Laboratories. It weighs only 51?ounces and can be carried in the vest pocket. It is suit-able for measuring all temperatures from a red heatupward. Its appearance resembles one-half of a pairof binoculars, or a little telescope 1*4 in. diameter by2% in. long. Within the body of the instrument is a cell,composed of two
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaeronautics, bookyear
