Company Names, addresses, dates:
  Gatling Pharmacy Co, Corner Sycamore & Bank Sts, Petersburg VA

Notes:
George Pescud Gatling (1862-1935)¹ spent most of his druggist career running his Gatling's Pharmacy in Norfolk.
In the years prior to that, he is listed in various city directories as follows:
  1882     Drugstore clerk in Richmond VA
  1883     Drugstore clerk in Richmond VA
  1884       (couldn't find in any directory)
  1885     Drugstore clerk in Norfolk VA
  1886     Drugstore clerk in Petersburg VA
  1887       (couldn't find in any directory)
  1888     Drugstore clerk in Norfolk VA
  1889-1910     Drugstore owner in Norfolk VA

Other than the bottle shown below, I've also seen a bottle on facebook that was embossed with: "GATLING PHARMACY CO. COR SYCAMORE & BANK STS PETERSBURG VA".

I could not find any other evidence that Gatling owned a drugstore in Petersburg - just the bottles.

For more information about Gatling, see Gatling's Pharmacy in Norfolk.

This is a clear 3.5" tall bottle embossed: horizontal: GATLING / PHARMACY / CO. / (mortar & pestle) / PETERSBURG / VA. base: WT&CO / B / U.S.A.