Scientific American. 322 [NovEMBER Io, 1881. since June 1 of telegraphic weather service, exceeding in MECHANICAL INVENTIONS. The arms C and D, are made interchangeable, so Nos. 232,559 and 233,560, so that they may be that the machine with arm, C, as represented in … the systematization of the duties of the Signal supplemental shoe shaken at both ends and Service; the preparation of new instructions for having a transverse slot in its bottom fitted with observers of the service; the preparation of new a roller and a comb, whereby a better separa- the…
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