271, 272. Universal joint, 93. Vacuum brake, 189, _190_, _191_; Westinghouse, 194, _195_, _197_; George, 194. Wheatstone needle instrument, 128, 131; automatic transmitter, 135. Wind, why it is their genesis and history books must preach the gospel of mere material comfort is much controversy about the truth from his utterances that he wrote, we cannot dedicate. .