Helmholtz, Hermann Ludwig Ferdinand von,  1821-1894 <br/><br/>
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 
<br/><br/> First published in 1873  Cover title: Popular scientific lectures ... vol. 1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>504 HEL