igned to overcome the weather.’ difficulties arising from the expansion of the metal when As compared with iron shoes, the cost of the rubber ones heated by steam. The valve fillsup the whole of the space is about one third more, and their weight issome forty per of the steam chest vertically, and,… … ber employed, is very great. The device has been succe the sinking of the cap. The oil is received at the same than the device above described. ly used for some time past, and, we understand, has re: The further claims regarding the present invention are, the endorsement of the New York Society for…
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