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 41
X— ND : AB = BN : AX •365 : I = 180° : AXwhich works out to A X = 493 degs. Or if AC = 100 as on Centigrade scale •365 : I = 100 : AXAX = 273 degs. g.—Pyrometers. When temperatures have to be measured higher than the limitof a mercurial thermometer (which is fixed by the fact that mercury-boils at… … ^W///A\ p. Y / / / / /// i Fig. 10. Wedgevvood used an instrument depending upon the contrac-tion ot a baked clay plug when heated. Others have dependedupon the expansion of a metal rod such as platinum. The pressureof the steam formed in a miniature boiler of sufficient strength, whenplaced in the…
Naval architecture
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