sylvania Company, quently answered in the negative, but erroneously so. the subject of our illustration, issued to Dr. David For the amount of money invested, there are few pro- when asked lately as to his views concerning the pre- Thayer, of Boston, Mass., being for ‘‘an apparatus for sent… … detail. Norshould repeat- aerial apparatus is design- ed failure discourage an ed to accomplish in the inventor; for if only one facility it affords for the patent out of every ten pays, it will many times more crossing of land, water, ice fields, etc., and has been at the future. If the question…
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