The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 297
to the apex of the cone. In order toprevent it from being stoppetl by the ajicx of the cone, if accidentally itshould be made to pass it, a Sjlid piece projects frum the frame of tlie instru-ment, having its surfaces adjusted so as to receive the edge of the wluel whenit IS lorced bBvonil the apex… … 1842.] THE CIVIL ENGINEER AND ARCHITECTS JOURNAL. 269 backwards, so that if the integrating wheel remain in contact with the coneat any other point than its apex, it too will be made to revolve backwards,and the number registered iu the preceding stroke will thus l)e diminished bythe number of…
Architecture · Civil engineering · Science
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