J W Poundley and D Walker
Poundley and Walker or John Wilkes Poundley and David Walker were a land surveyors and architects’ partnership with offices at Black Hall, Kerry, Montgomeryshire and at Unity Buildings, 22 Lord Street, Liverpool. The partnership was established probably in the mid-1850s and was dissolved in June 1867.
Source: Wikipedia — J W Poundley and D Walker (CC BY-SA 4.0)