ASHTON Anthony
Harmonograph, a Visual Introduction to Harmony

Imprint: Powys, Wooden Books, 1999
Edition: First Edition
Binding: ,

16mo - over 5? - 6? tall. (500 grams) near fine copy in same DW, minor spots of discolouration to spine edge of DW, 58 pp, the mechanics behind the Harmonograph, a Victorian invention that records sound waves as pencilled lines on paper,. Illustr.: Anthony Ashton. Book Condition: Very Good. Binding: Hard Cover. Jacket: Very Good

Stock number: 004625. ISBN: 1902418050

Bookseller's details and sales conditions: Fortuna Books