William Clark, for a chimney top to secure a good draft at all times. Fig. 1 cumstances, so good. an English (or is he a Scotch?) engineer, who once worked at is a sectional elevation and Fig. 2 a cross section at the top of The apparatus shown in the annexed engravings is intend- Penn’s, and who… … Clark has a foundery and enginecring works, und has built and launched a floating dock for the repair of his vessels. From the chimney. The flat, square top, A, is secured to the brick ed as a substitute for the spring house, and insures a constant his letters, the upper Amazon appears to be a…
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