The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 115
l.School authorities have been quick to adoptthis device for protecting the health andcomfort of the pupils, as well as to ei¥ect__avery appreciable saving in the cost of ope-ration of the heating plants. Johnson con-trol is in active operation in sixty-oneschool Ijuildings in San Francisco and…
Architecture · Building
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