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1806 The family moved to London. Thereafter, William Wheatstone Senior was in business at 128 Pall Mall from 1813 to 1823, at 24 Charles Street from 1823 to 1824, and at 118 Jermyn Street from 1824 to 1826
1816 Charles Wheatstone was apprenticed to his uncle (Charles, Senior), who manufactured musical instruments.
1823 Uncle Charles died; Charles and his younger brother, William Wheatstone, took over the business.
1824 Of 118 Jermyn Street, Westminster. Music seller. Patent to improve musical tones 
1851 Musical instrument seller, lived in Hanover Sq, London, with his sister Sophia
1861 William Wheatstone 57, Harmonium and concertina maker, lived with Sophia Wheatstone 60, in Hanover Sq, London
1862 Patent to William Wheatstone, of 20, Conduit street, St. George's, Hanover-square, in the county of Middlesex, Music Instrument Maker, has given the like notice in respect of the invention of "improvements in concertinas and other musical instruments, the tones of which are produced from the vibration of springs." 
1862 William Dollman Wheatstone died in London (St George's Hanover Sq)