ble, particularly for the vessel. Thus a perfect record of vessels of low free- board, such as the speed is at all times indicated on the dial, “Porter,” on which it was necessary to In addition to the speed-indicating rig a 38-inch pipe 20 mechanism is a speed-recording mech- feet or more above… … the log, and the THE SPEED GEARS AND DISTANCE knot, as desired. A trial of the Nicholson ship log third undesirable RECORDING MECHANISM. feature is merely a was recently made by the United matter of detail, which can be easily remedied to suit States Navy, the torpedo boat ‘‘Porter’ being equipped…
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