hich are counted and elec- eter so that the resistance opposed to the motion trically recorded also on the revolving drum. is transmitted through the cradle to the dyna- These various items furnish the necessary data mometer and there automatically recorded on a from which the resistance of the… … the resistance. The remaining item, the speed, is determined by electrically recording signals subtracting ballast, and also at two or more sets sent by a clock with a make or break in the circuit of trims, varied also by shifting the ballast. every second, and also marks denoting equal dis- The…
Shipbuilding -- Periodicals · Shipbuilding industry -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
