Popular lectures on scientific subjects /
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.
501
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.
501