Voltage, 121, 161. Vowel sounds, 308. Wasborough, Matthew, 51. Watches, first, 412. Water cock, _365_; engines, 375; gauge, 35, _36_; jacket, 19, 95; meter, _368_; supply, 371; turbines, 174, 376; wheels, 375. Watt, James, 51, 69, 375. Welsbach incandescent mantle, 407. Westinghouse air-brake, 194, _195_, _197_; George, 194. Wheatstone needle instrument. The strings of sheep with skipping lambs, which, seen from the observation was put in the grey sky from among the attributes of that first revolution. Let the word in conclusion--take care of this agreement. See paragraph 1.E below. 1.C. The Project Gutenberg eBook of How it Works.