. Automotive industries . standardization of tire sizes. The importance ofsuch standardization was brought out very clearly duringthe war, when it was found necessary to change the wheelson some of our motor cars in order to permit the use oftires manufactured abroad. The Bureau has co-operated with the Air Service of theWar Department in the development of specifications forleak-proof gasoline tanks and rubber shock absorbers, andin the production of a satisfactory rubberized silk fabricfor diaphrams used in connection with autographic instru-ments. A Vertical Automatic Chucking Machine A VER
. Automotive industries . standardization of tire sizes. The importance ofsuch standardization was brought out very clearly duringthe war, when it was found necessary to change the wheelson some of our motor cars in order to permit the use oftires manufactured abroad. The Bureau has co-operated with the Air Service of theWar Department in the development of specifications forleak-proof gasoline tanks and rubber shock absorbers, andin the production of a satisfactory rubberized silk fabricfor diaphrams used in connection with autographic instru-ments. A Vertical Automatic Chucking Machine A VERTICAL automatic chucking machine with fourduplex automatic chucking vises and three pairs ofworking spindles is being built by the Long Henkel The machine, known as Type B, is best adapted towork requiring (a) turning to size, (b) drilling or boring,(c) threading or tapping. It is claimed for this machinethat it produces more work than other machines suitablefor similar operations. The chucking vises automatically.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaeronautics, bookyear
