Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 481
se instruments are evidently affected bythe varying pressure of the atmosphere, andare necessarily imperfect. The same objection does not apply to the dif-ferential thermometer of Leslie, used by himin his experiments on the radiation of heat.This consists (Fig. 356) of two bulbs con-nected…
Matter · Heat
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