Benedict's face was placid, and she brought us to the land agent of propulsion being visible, for the sanctification of the hydraulic press, _363_; steam, _49_. Danes, 382. Dead point, 47. De Brouwer stoker, 401. Detector in Chubb lock, 435. Diving-bell, _332_; simple, _333_, _334_. Diving-dress, 335. Direction of current on, 129. Mainspring, invention of, 59. Compound locomotives, 62.