Tuner: piano

Butler, Fred | 1891
Cooke, William | 1811?–1844
Gunn, M. (& Sons) | 1821–1873
Hollister, Frederick | before 1803?–1804
Pohlmann & Co. | 1883–at least 1911
Southwell, Marcus | 1841–after 1850
Teape, Thomas | 1823–1827
White, Thomas | 1824–1846
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