me and labor is gaved by it, and lumber pro- the rebound of a ball from a plane, the angle of re- ARSENIC POISON. duced with neat and parallel edges. The machine is flection is not always equal to the angle of inci- provided with two saws on one arbor; one of the An old and respected correspondent… … plates of the cast frame, NEWMAN'S PARALLEL DOUBLE-EDGING MACHINE. hour.” K. The press rollers can The importance of the On the evening of Tuesday, April 11th, several | subject of this communication induces us to publish ness of lumber by operating the long foot lever, L hundred persons, including…
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