by any other means for dving their To avold tiapesition, see that valves are stamped *‘ Jeni Ins Bron.” work. don trial = Tilustrated postage prepaid, to any subscriber in the United States Gainlogue FREE. or Canada, on receipt of three dojlara by the pub- JENKINS BROS., W. Ff. & JOHW BARNES C0.,,… … presente the most recent papers by eminent writers in ers aDd us their SA W s ade; 107 five apply the written tion of Interesting letters tothe editor of the SCIENTLFIC all tbe principal departments of Science and the AMERICAN on the question of the speed of ice boats, de. ot? Emernon'a 8” Book A @…
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