"Founded in the 1780s, Köhler & Son were independent makers of brasswind instruments in London until they were bought by Swaine & Adeney in 1907." - Wikipedia (en), 05.03.2017
"Founded in the 1780s, Köhler & Son were independent makers of brasswind instruments in London until they were bought by Swaine & Adeney in 1907." - (Wikipedia (en) 11.08.2021)
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