under consideration

Author Hertz, Heinrich Rudolph 1857-1894. Title The principles of mechanics presented in a new form by Heinrich Hertz; with an introduction by H. von Helmholtz. Authorised English translation by D. E. Jones and J. T. Walley. Publisher London, New York, Macmillian and co., ltd., 1899. Description xxviii, 276 p. 23 cm. Note Edited by P. Lenard. "Forms the third (and last) volume of his collected works, as edited by Dr. Philipp Lenard. English translations of the first and second volumes (Miscellaneous papers and Electric waves) have already been published."--Translator's note.