"Well, come and see me set the patent log," said Captain Whitby.
The man answered, and Jenkins departed with the boat's patent log.
He was sailing by compass; the patent log, trailing behind on its long cord, maintained a constant, jerking register on its dial.
See that the patent log and sounding machine are in good order.
She was loaded well down, yet an hour after the patent log had been put overboard it recorded a run of seventeen knots.
The patent log on the taffrail periodically rang a single tinkling stroke for every mile traversed on an errand of faith.
The dial of the patent log tinkled periodically in the dark at the end of the ship.
The average speed of the seven hours' steaming, as measured by patent log, was 19.28 knots.
The ocean was all right, and so was the patent log; as for speed, one saw it with his own eyes.
Comparing the distance run by observation and by patent log, there was a difference of sixteen miles and a third.