ke of 0'1°, causes an Some issues back, we published an engraving and descrip- error in the 5th decimal, making 100000 parts 100001 -4 parts. tion of the Hayes steam reaper, an agricultural invention of " A peculiar feature of my instrument is the ease and pre- considerable merit recently… … tact with the elements. A current is established which heats V. Cummings, of Cteneseo, Henry county, Illinois, who has by touching the point, a, with a litde roll of filter paper. the platinum by which the gas is lit. On returning the de- lately forwarded to us the facts, embodied in the following…
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