Improvements in the Construction of Wind Musical Instruments (1829)

by Charles WheatstoneBritish Patent No. 5803 of 1829, Specification (19 December 1829) with forty-five figures. 10 pages.“Improvements in the Construction of Wind Musical Instruments”. The first of the Wheatstone patents to show a concertina, even though the word is not used in this specification.Posted 15 November 2001