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.;...
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows men working and arch A1 (Pioneer Fireproof Construction Company), with tiling, steel girders, and brick foundations. Milwaukee and Northern Railroad...
Equitable Building (Denver, Colo.)--1890-1900.; Building materials--Testing--Colorado--Denver--1890-1900.; Denver (Colo.)--1890-1900.; Laborers--Colorado--Denver--1890-1900.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows men working and an arch with tiling, steel girders, and brick foundations.
Equitable Building (Denver, Colo.)--1890-1900.; Building materials--Testing--Colorado--Denver--1890-1900.; Denver (Colo.)--1890-1900.; Laborers--Colorado--Denver--1890-1900.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows men working and arch A2 (Thomas A. Lee), with tiling, steel girders, and brick foundations. Milwaukee and Northern Railroad freight cars are in the...
Equitable Building (Denver, Colo.)--1890-1900.; Building materials--Testing--Colorado--Denver--1890-1900.; Denver (Colo.)--1890-1900.; Laborers--Colorado--Denver--1890-1900.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows a collapsed arch, a kiln or oven, bricks, steel girders, and a smokestack. Letters read: "C7."
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.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows an arch, a kiln or oven, bricks, steel girders, and a smokestack. Letters read: "C8."
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.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows a collapsed arch, a kiln or oven, bricks, steel girders, and a smokestack. Letters read: "C9."
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.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows men by an arch and a kiln or oven, bricks, steel girders, and a smokestack. Letters read: "D11."
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.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows an arch, a kiln or oven, bricks, steel girders, and a smokestack. Letters read: "D11."
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.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows a collapsed arch, bricks, steel girders, and a smokestack. Letters read: "D10."
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.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows a collapsed arch, bricks, steel girders, and a smokestack. Letters read: "D10."
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.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows arch B5 (Thomas A. Lee Company), with tiling, steel girders, and brick foundations.
Equitable Building (Denver, Colo.)--1890-1900.; Building materials--Testing--Colorado--Denver--1890-1900.; Denver (Colo.)--1890-1900.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows men working and arch A1 (Pioneer Fireproof Construction Company), with tiling, steel girders, and brick foundations. Union Pacific Railroad freight...
Equitable Building (Denver, Colo.)--1890-1900.; Building materials--Testing--Colorado--Denver--1890-1900.; Denver (Colo.)--1890-1900.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows arch B6 (Wight Fire Proofing Company), with tiling, steel girders, and brick foundations.
Equitable Building (Denver, Colo.)--1890-1900.; Building materials--Testing--Colorado--Denver--1890-1900.; Denver (Colo.)--1890-1900.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows men examining a damaged arch with tiling, steel girders, and brick foundations.
Equitable Building (Denver, Colo.)--1890-1900.; Building materials--Testing--Colorado--Denver--1890-1900.; Denver (Colo.)--1890-1900.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows interior of an arch and damaged fire brick.
Equitable Building (Denver, Colo.)--1890-1900.; Building materials--Testing--Colorado--Denver--1890-1900.; Denver (Colo.)--1890-1900.; Testing--Colorado--Denver--1890-1900.
View of comparative engineering tests for the Equitable Building Company in Denver, Colorado; shows interior of an arch and damaged fire brick.
Equitable Building (Denver, Colo.)--1890-1900.; Building materials--Testing--Colorado--Denver--1890-1900.; Denver (Colo.)--1890-1900.; Testing--Colorado--Denver--1890-1900.
December 1890
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