object
Patent log
A named towed rotator log that counts distance through the water on a taffrail dial. Not a chip-log, not a published hourglass alone, and not a bare propeller dump.
Also known as Taffrail log · Walker log · Towed log
object
A named towed rotator log that counts distance through the water on a taffrail dial. Not a chip-log, not a published hourglass alone, and not a bare propeller dump.
Also known as Taffrail log · Walker log · Towed log