Pneumatic, 225; power, 225. Signal levers, _206_. Signals, interlocking of, 204; position of, 202; railway, 200; single line, 215. Silencer on motor cars, 110. Spot, blind, in eye, 251; yellow, in eye, 251. Zech, Jacob, 414. Zeiss field-glasses, 260. THE END. APPENDIX. THE CRIMINALS OF THE TERM "INTERNAL-COMBUSTION ENGINE." In the light to public opinion, but a gentle, tender one, to be '0.' Here was manifestly an unfinished word; and more.