Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 766
labour of the steersman in holding the^^^^r^^0^^—wheel during rough weather. Whenfr/////^^ any alteration in the ships course is re- quired, the wheel may be set tree bypressing the foot on either of the levers g g, which turn on the centres h A,raise the weight d, and thus relieve its pressure on… … 268 Progress of Practical 4* Theoretical Mechanics Chemistry. Higgins Oblique Candlestick. In the annexed figure a a is the tubewhich contains the candle, resting on the spiral spring: it is about fourteen inches long, rather more than an inch in diam-eter, and is inclined about thirty degrees…
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