Word: tiredly
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Dates: during 1940-1949
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...every U.S. city and town, a little group of citizens got to work on a delicate, ticklish, thankless job. They were the new tire-rationing boards, serving without pay, appointed to decide who should get new tires and who should go without...
...owner comes in before his tires are too badly worn, they can be simply recapped: their surface roughened, cement applied, a strip of camelback molded and vulcanized over it. Retreading costs more (about $7 for a 6-by-16 tire, or about half the price of a new tire) than recapping, † and uses more rubber, since the old top rubber, worn too thin for roughening, must be cut and buffed away. The camelback is then applied to the naked carcass. Even for a good retread job the tire must have some rubber...
Rubber. This year the tire companies made 65,000,000 new tires, sold retreaders 30,000 tons of camelback for 8,000,000 retread jobs. For 1942, retreaders have set a goal of 20,000,000 jobs requiring 80,000 tons of camelback. OPM has promised allocation of enough rubber to satisfy all defense retread needs, but trucks and busses are likely to get theirs first...
...Neither retreading nor recapping is to be confused with regrooving. This merely cuts new treads (for safety) in a tire worn smooth. No new rubber is added, nor is the life of the tire prolonged...
Simple to produce, guayule rubber has never before got out of the pin-money class, mainly because it costs 12-15? a Ib. v. 5-10? for plantation rubber. It is too soft to replace tree rubber completely in the vast tire and inner-tube market, is chiefly used (especially by Goodrich) for impregnating the cotton strands in belting, shoes, raincoats, etc. Hence Intercontinental has never produced more than 5,000 tons a year (less than 1% of U.S. consumption); it has lost money in eight of the last twelve years; its 1940 profits were only $324,000, about...