Gray & Davison was a large-scale manufacturer of church and cathedral

pipe organ The pipe organ is a musical instrument that produces sound by driving pressurised air (called ''wind'') through the organ pipes selected from a Musical keyboard, keyboard. Because each pipe produces a single tone and pitch, the pipes are provide ...

s, based in London. The company was active between 1841 and 1973 and had its heyday between 1905 and 1930. Organs produced are stamped "John Gray", then later "Gray & Son" and from 1842 onwards as "Gray & Davison". The company started with Robert Gray (1742–1796), and his partner and brother William Gray (1757–1821). John Gray, William's son inherited the business in 1821 and from 1837 ran it in partnership with Frederick Davison until John Gray's death in 1849.

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Pipe organ building companies Organ building companies of the United Kingdom Musical instrument manufacturing companies based in London {{Musical-instrument-company-stub