er made of the very screw pivots through the sides of the frame allows motion to best material. No. 5 shows an instance of bungling work, that in avertical plane, so that the shaft readily adjusts itself, manship in riveting and calking. An examination of thig ‘The box has a reservoir which holds… … Passages under the lining of the box connect a reservoir at each end, ond in the center is a diagoval slot filled with felt ‘or sponge which keeps the shaft always lubricated, A drip- per is attached only to receive the oil which may run over in ‘out the whole sheet and putting in a new one and…
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