In-8 (cm. 21), half leathe (rubbed)r, title on spine, pp. VIII,598 with 2 folding plates. Entire volume offered, includes:Ballot, Buijs - Akustische Versuche auf der Niederlandischen Eisenbahnm nebst gelegenlichen Bemerkungen zur Theorie des Hrn Prof. Doppler (FIRST EDITION of the first experimental verification of the Doppler effect with sound waves)Siemens W. - Ueber die Anwendung des elektrischen Polarita zu Licht und WarmeTitle page and last page with Ex library stamp - no other library marks, some foxing..