. 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. If spring is triangular in breadth .-- ^ ~^^ -^, r^^ and of equal thickness, use above ??-^-^c---^;^ formula, in which B = breadth at base or widest part. MEASUREMENT OF POWER, SPRINGS. 45. 59. COMPOUND TRIANGULARSPRING, or more than one leaf of eitherform in the cuts

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. 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. If spring is triangular in breadth .-- ^ ~^^ -^, r^^ and of equal thickness, use above ??-^-^c---^;^ formula, in which B = breadth at base or widest part. MEASUREMENT OF POWER, SPRINGS. 45. 59. COMPOUND TRIANGULARSPRING, or more than one leaf of eitherform in the cuts. Max. load. Deflection. Flexibility. For a single and doubleelliptical spring themax. load = 2 SBH^ Deflection of a doubleelliptical spring = 2 PL3E N B H3 F S LL — EH ~ 6 L ~ 6 L N = number of leaves. LT Ends of leaves tapered to — 2

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Keywords: ., bookauthorhiscoxga, bookcentury1900, bookdecade1910, bookyear1910