Popular lectures on scientific subjects /
Helmholtz, Hermann Ludwig Ferdinand von, 1821-1894
Popular lectures on scientific subjects / by Hermann von Helmholt z; translated by E. Atkinson ...First series; with an introduction by P rofessor tyndall ... - New ed. - London: Longmans, Green, and co., 1893 - 1 p.l., xiv, 348 p.: ill.; 19 cm
First published in 1873 Cover title: Popular scientific lectures ... vol. 1
Science
504 HEL
Popular lectures on scientific subjects / by Hermann von Helmholt z; translated by E. Atkinson ...First series; with an introduction by P rofessor tyndall ... - New ed. - London: Longmans, Green, and co., 1893 - 1 p.l., xiv, 348 p.: ill.; 19 cm
First published in 1873 Cover title: Popular scientific lectures ... vol. 1
Science
504 HEL