the boat, It is an easy matter to measure the dimensions of a while theroad he travels is frequently very intricate, the transit station and some fixed object on the shore and a slight error in his course may involve a total loss plot of ground, the size and location of the buildings may be very… … « * han Sounding Boat. Transit Station. Setting a Range Pole. HYDROGRAPHIC SURVEYING. angle grows to become a considerable distance if the water and location of the dangerous places are all im- signals for a pilot, who will go aboard and assume con- line be prolonged four or five miles. portant,…
Internet Archive · Public domain (published before 1931). Free to use for anything.
