cutting edges, 5d, and other- ception, let into the frame before mentioned. The the lucky purchaser of his patent, and besides he in- wise explains itself. The whole affair is quite tasty body of the valve is of wood, confined in a frame of forms us he is to receive a handsome tariff on every and… … mean panatechner. cleats, C, which form the valve seat; the relations of the cleats and edges of the valve being so an- THE POLYTECHNIC ASSOCIATION. not pay? Patents on small articles for which there alogous that they have similar letter of refer- is a great public demand always prove remunerative…
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