View of comparative engineering test site for the Equitable Building Company in Denver, Colorado; shows men, arches, brick kilns or ovens, steel girders, and smokestacks.
Equitable Building (Denver, Colo.)--1890-1900.; Building materials--Effect of temperature on--Colorado--Denver--1890-1900.; Building materials--Testing--Colorado--Denver--1890-1900.; Denver (Colo.)--1890-1900.;...
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