The Principles of Sound Signalling, by Morris D. Hart, and W. Whately Smith
1925, First Edition. London, Constables And Company Ltd. Very good copy in the original gilt-blocked cloth. Slightest suggestion only of dust-dulling and rubbing to the spine bands and panel edges. Minor, marginalised foxing. Remains particularly well-preserved. ; 139 pages; Description: 4 p. L. , 139, [1] p. Diagrs. 23 cm. Subjects: Sound. Sound --Equipment and supplies. Signals and signaling. Item #119732
Price: €18.00