Ondas

1931 — 8vo., Second Impression, with numerous illustrations and diagrams in the text, small neat contemporary signature on front free endpaper, some faint offsetting from fold-ins to free endpapers; original grey cloth, gilt back, grey endpapers, a near fine copy in unclipped dustwrapper, the latter with minor loss at head and tail of backstrip, and browned at backstrip and rear panel. First published in the previous year. Wood was at this time Lecturer in Experimental Physics at Cambridge. The lectures comprise I: Waves; II: Signalling in Air and Water; III: Notes and Noises; IV: How Sounds are Analysed; V: The Ear and What it Does; VI: How Sounds are Recorded and Reproduced. Scarce in the dustwrapper.