1851 Great Exhibition: Official Catalogue: Class VII.: Thomas Garrett Newnham
From Graces Guide
170. NEWNHAM, THOMAS GARRETT, Newtown, Montgomeryshire, Wales — Architect and Inventor.
Model, to a scale of one inch and a half to the foot, of a portion of the roof of a church in course of erection at Dolfor, near Newtown.
Model, to a scale of one inch to the foot, of open roof, constructed with ribs of terra cotta, supporting rafters and slating battens, similar to the former.
Model, to a scale of from one-half to one-third full size, of stone, or of terra cotta, mullioned windows, with sliding sashes.