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Scientific American, Vol. 98, No. 12 (March 1908) (1908)

leaf 11

An illustration from Scientific American, Vol. 98, No. 12 (March 1908), 1908, leaf 11
s a cylinder, Is a damper E, secured to a board J, which is arranged shoe Is not equally held In shape. A recent invention to slide vertically. Normally, the dampers are kept aims to remedy this trouble. The shoe tree is in the clear of the bells by the upward pressure of springs N. form of a… … A NOVEL TOT. VENTILATING SHOE TBEE. provided with a whistle at Its upper end. A plunger therein. At the bottom of the tree these slots extend fits Into the cylinder, and is connected by a rod to the almost the entire length of the sole, but at the top wheel. The .connection is eccentric, and hence,…

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