Mechanical and marine engineering science ... Specially written as a handbook to the Board of Trade examinations for extra-first-class engineers (1909)
Somerscales, A. N · Glasgow : J. Munro; London, Simpkin, Marshall, Hamilton, Kent · leaf 300
ong the aire from A to B; atwhich the amount of lead is obtained—say at O, so that OCequals the lead on that centre—the arc of revolution performedfrom the dead centre untilthe cut-off is thus OB in-stead of AB. But in constructing avalve diagram it is con-venient to first fix the dead■centre… … agS THE VALVE DIAGRAM. .There is no fresh principle involved for the position of therelease and compression epochs. As these depend upon the exhaustlap, it I is only necessary to describe a circle round, C with radiusequal to the exhaust lap, and then draw a line DC touching- thiscircle and…
Naval architecture
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![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-87-64.webp)
