Item Type: Harmonic Diagram
Full Description: A reprint of the original article "An explanation of the Harmonic Diagram, invented by C Wheatstone, London. Published by C Wheatstone, 436 Strand." Available as a PDF file NC 1.2.4-002.pdf .
Source Catalogue No: The Concertina Museum: 1.2.4-002
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Created August 2009 by Neil Wayne
Last Modified 07 February 2012 by Neil Wayne, Chris Flint, Wes Williams
This page created Tuesday 14 February 2012.