ifferent from anything before made is shown in Fig. 4. This lamp is in two parts, con- nected by vertical tubes. The upper portion has a device for feeding the carbons, and the lower portion contains a device for separating them. The focus or source of light is always at the same place, as the two… … maritime service, shores, armies in action, and for manufac- tro-motive force of the current is required to stop or startthe completely together they would at once draw apart on the increase of speed, and they will do this any number of times feeding of the carbons. The tension of thespring that…
Internet Archive · Public domain (published before 1931). Free to use for anything.
