Google or Bing will give you some more links for Clabrough and Golcher individually and as partners. Both men came from British gunsmithing families and met in England during a return trip from the US in the 1870s or 1880s. Sounds like travel to and from England was not unheard of for a Golcher.

The last Golcher to run the business was Benned Golcher, who retired in 1949. He might be "Golcher, B" in S&W records, but in 1909 he would have been in his early 20s. Even if working in the gun store, he might not have been the designated recipient for firearms orders.

Anyway, there is enough here to get you started, I think.

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David Wilson