Search Results for: Wind instruments
a.d. , th july no. . organs, harmoniums letters patent to john hopkinson, of regent street, in the county of middlesex, pianoforte manufacturer, and john whitelock, of , commercial street, leeds, in the county of york, for the invention of improvements in organs, harmoniums, and other similar keyed wind
musical instruments sealed the th december , and dated the th july , provisional specification left by the said john hopkinson and john whitelock at the office of the commissioner of patents, with their petition, on the th july . we, john hopkinson, of regent street, in the county of middlesex, pianoforte...
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