m the same station. the business in such a way as greatly to facilitate For secret dispatches the alphabet may of course and thus the letters of the Morse alphabet may be production. be altered so as to be intelligible to those only who formed by successive flashes of light of the proper The… … tical sections, while Fig. 8 represents the mode of time, when the sole-cutting machine began to come the Scientific American Patent Agency, March 11, into use—say about twelve years ago. Manufactur- operating a lantern from the masthead of a vessel. 1862, and further information in relation to it…
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