o or three years that differ as hydraulic and friction and spring and friction. All has been produced which possesses the maximum de- from it only in detail, such as the mechanical means are constructed to be attached at one end to the spring gree of strength and flexibility in proportion to weight… … Fig. 1.—The 1908 ‘Truffault-Hartford Shock Absorber. Paternoster Shock Absorber. The highest possible elasticity is necessary in order that the resistance which it offers will act directly be- the recoil of the spring should be checked, or that it tween the spring and the frame. to afford comfort…
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