. On Oct. 4th the holes, a a a a, placed between the pistons. The pis- | thermometer rose to 77$° in the shade and 98° in the tons are permanently attached to the discharge pipe, ‘sun. On the 5th it stood at 73° in the shade. ‘The heat and move with it; the large one above the holes just ‘on the… … Terms. of the ends longitudinally from the expansions and con- Two volumes will be issued each year; but there will be xo tractions of the rails. fills the upper part of the cylinder, and the small one CUANGE IN TIE TERMS OF SUBSCRIPTION, as the two yearly volumes to- The patent for this simple…
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