Show I- I AIRTIGHT AN weighing pounds MAN stands on piston equipped with Miles seal double-seal cylinder cylinder I der ring and this weight fails I to move piston even an infinitesimal mal fraction faction of an inch demonstrating demonstrating demonstrating demon demon- that the Miles cylinder ring prevents leakage S Sl l u a aur ur y y r rr a o r I 0 Without Small Circlet No Automobile W Would Be Bea a Success Do you know that a little iron ring that might be worn as a ladys lady's bracelet bracelet bracelet brace brace- let and which does not weigh nearly so much as the ordinary wrist circlet is Just now having more to do with making the world go round than any anyone anyone anyone one would imagine unless familiar with the importance of this seemingly insignificant In Insignificant Insignificant In- In significant contrivance Without this ring the tanks at the battle of the would never have made history there would have been no such highly efficient motor truck transportation system on the French battlefront the aeroplane industry would still be in swaddling clothes Barney Oldfield Dario Resta Louis Chevrolet and other great motor car racers racen would never have burned up a thousand tracks high mountain peaks would never have been climbed on gas gas- as- as oline driven wheels wheel millions of acres acres cres of ground would be plowed the great automobile tra trade e of the United States would be comparatively insignificant and the age of gasoline would not have arrived This wonderful ring more remarkable ble than any every rubbed by the genii of the story book is 13 called a piston ring and its function is 5 to make the piston in the cylinder of a gasoline en engine engine en- en n- n gine do its full ull duty without loss of power The ring fits tightly around the piston and prevents leakage of air all with resultant loss los of efficiency W Without Without With With- th- th out ut a ring the piston might possibly drive the engine but the power lost would be o so great as HS to make automobile automobile automobile auto auto- mobile tractor truck or whatever else was being operated so inefficient as to tobe tobe tobe be useless There are a number of piston rings in use but the Miles seal double-seal piston ring is the subject o of this article Its dl distributors the More Electric company company company com com- I pany of South Main lain street treet claim that it is the only one that does its work perfectly no matter h how w. w far from perfect per per- perfect perfect I the cylinder or piston in which the ring is pl placed ced may mat be he I seal Double piston rims says I 1 P. P H. H ll Byrne of or the More company com com- corn corn- pang pany are a revolution re in piston and I cylinder packing and their theft manufacture manufacture I ture turc marks a new era In automobile efficiency economy and power They arc are the latest word in scientific design and mechanical construction Deriving the name from both their form and function they are properly called the seal double because they form a continuous ring in the piston groove the double edge being down and making contact against the bottom face it seals the joint in the groove and also being double around the cylinder it seals Reals the wall wail and it seals seala them ab ab- Hence the name double seal Piston rings are really double seated check valves and should be made to I prevent leakage through the inside of the ring as well as between the outside outside outside out out- I side of the ring and the cylinder wall The seal double is the only two- two I piece ring on the market that seals th the openings or joints both in the groove and around the cylinder wall and that I will not leak leal regardless of how m much c I or how long they wear I j LEAKY RINGS I I Leaky rings arc are the prolific source I II j of such motor troubles as lo loss s of ef com compression compression com com- I loss of power excessive I carbon carbon carbon car car- I bon deposits in cylinders causing I II knocking or backfiring when stopping I the motor sometimes breaking the I crank shaft or bending a connecting i rod y seal Double rings will keep your our j I I power above the pistons and the oil inthe In Inthe I the crank case A As a result you will willi i have a cleaner motor cleaner spark 1 plugs cleaner valves fewer repair bills and more power than you ever had II These rings are made of special Gray iron ring material the best that thatis lis is known to the trade and are therefore very durable and elastic A special I formula that takes a very high polish which keeps the ring from getting rough and cutting the cylinders A formula that is hard enough to retain the elasticity of the ring and soft enough to prevent scoring the cylinder even though the ring should break Every ring is scrupulously Inspected I and tested to obviate the possibility of the slightest mechanical flaw MORE POWER I Your car no matter what its makeI make I or cost is as weak and inefficient as asI I its weakest vital point Wasted power means wasted fuel and useless mechanical I ical strain without increased efficiency And every ounce of pressure that escapes es escapes escapes I capes through leaky piston rings i is power you are paying paying- for and not r re receiving receiving re- re in service Has your car Ia- Ia labored la bored hard climbing hills while other cars car glide by Has there been an excessive carbon deposit on the cylinders cylinders ders dels backfiring or a knocking enI engine en engine en- en gine Ine These are some of the results of oi I leaking piston rings which neglected i I lead to an expensive |