Greenhill, G. (George), Sir, 1847-1927 · London and New York, Macmillan and Co. · leaf 294
exact weighings, in allowing for thebuoyancy of the air. 199. It must be noticed that the gravitation measureof force is employed in these formulas, so that in accuratecomparisons the local value of g must be allowed for. Thus if g changes to g in going from Paris to anyother locality, Greenwich… … Fig. 65.Thus, with the centimetre and second as units of lengthand time, ^ = 980-94 at Paris, / = 981-l7 at Greenwich,6^ = 98061 at sea level in latitude 45°; so that the weightof a litre of dr)- air at 0°C and under 760 mm of mercuryhead changes from 1293187 g at Paris to l-293187(cy7^ or (?/£?) =…
Hydrostatics
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