. The Architect & engineer of California and the Pacific Coast . different. You willlind the nails nicely and accurately ar-ranged in a box. parallel to one anotherso that their removal by hand is a sim-ple matter. The greatest advantage of the newmethod, however, is that the nails sys-tematically laid in a box will occupy alittle more than half the si)ace requiredwhen they are dropped in the filled by machine have a capacityof fifty pounds each, although no largerthan a five-pound confectionery box. The machine for packing nails in themanner described is of German originand just bei
. The Architect & engineer of California and the Pacific Coast . different. You willlind the nails nicely and accurately ar-ranged in a box. parallel to one anotherso that their removal by hand is a sim-ple matter. The greatest advantage of the newmethod, however, is that the nails sys-tematically laid in a box will occupy alittle more than half the si)ace requiredwhen they are dropped in the filled by machine have a capacityof fifty pounds each, although no largerthan a five-pound confectionery box. The machine for packing nails in themanner described is of German originand just being introduced into this coun-try. Its operation is based upon theprinciple that linear iron articles whenIjrouglit into a magnetic field will auto-matically take a position parallel to thelines of force. The machine consists es-sentially of the electric paralleling mech-anism, a feeding trough and a shakingdevice. By means of the latter, the nailsgli<le gradually into the parallelingmechanism and while still falling aredrawn in the direction of the lines of. ReR. V. S. Pal. Office White Brothers ^^l Wybro Panels are 100 per cent PERFECT By everj test WTBRO PANELS arc 100; user finds them the best—every customer knowsthat there are no better panels made. With all their unsurpassed qualities, WYBRO PAN-ELS cost no more than inferior makes. You owe it toyourself therefore to INSIST upon WYBRO PANELSfor they are 100; perfect. anti Brannan i» Francisco 114 Tlie Architect and EmrUieer force. The nails are passed into a trayfixed between the two magnetic polesand at intervals the tray is pressed down-ward and tlie contents emptied intoboxes. With but little adjustment themachine may be made to handle any sizeof nail. The paralleling mechanism usesdirect current at 110 or 220 volts pres-sure.—Scientific .ierican. Water Power of the United States ACCORDING to the Electrical World, the available water power of theUnited States, excluding .Alaska, amountsto mo
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