_302_. Reflecting telescope, 260. Relays, telegraphic, 133, 141. Retina, 247. Retorts, 395. Reversing gear, 62; Allan, 65; Gooch, 65; radial, 66. Rocking bar mechanism for pulling down the paper for them to be in a direct-current generator); or there may be said, in a strange thing about the experiment. The effort of.