drawing back the spring catch The machines shown in section by the engravings are in- quickly in the bath. Taps and dies heated to cherry red and and unlocking the gate. In the mean time the bevel gear tended for spreading a coating of cement on the surface of drawn to light blue; wood tools drawn… … effect of coal. There isa good deal of confusion, and some exaggeration, between the extremes. The theoretical con. aes lc) a PULTE’S CEMENT-SPREADING ‘MACHINE. clusions of Professor McGauley, however, seem hardly of any pin which gives it motion engages with one end of the an- | purposes. Fig. 1…
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