Helmholtz, Hermann von, 1821-1894.

Popular lectures on scientific subjects / by H. Helmholtz ; translated by E. Atkinson ; with an introduction by Professor Tyndall. - 2nd ed. - London : Longmans, Green, and Co., 1881. - 265, 4 p. : ill. ; 21 cm. - Popular scientific lectures ; 1st series. . - Popular scientific lectures. .

With list of lectures.

(Hbk.)


Science.

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