f the fly-wheel with that tried to take the same train up of the pile-driver or hammer. If, the same route, on the subse- where the resistance is variable, quent day, and failed to do so, not the parts are so adjusted as that being able to raise sufficient the wheel with its journal boxes, steam.… … ¢, is a spur wheel, e, which gears into a pin- TEWKSBURY’S ROCKING-CRADLE. Bailey, who presided and judged very fairly. ion, 7, and this pinion is secured to an arbor, g, to| ‘The operation is as follows:—When the cradle is 8 ee which an escapement wheel, h, is rigidly fastened. Mo-| placed on the…
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