San Francisco : Architect and Engineer, Inc · leaf 310
ch mechanicalauxiliaries had not taken up the task at thepoint where the vanishing menial put itdown. Some of these aids have succeededmore than others. The automatic oil orgas furnace is far more efifective in relievinglabor than, say, the vacuum cleaner, al-though the latter promotes efficiency… … Pholo by Moulin RESIDENCE OF ROBERT B. HENDERSON, HILLSBOROUGH, CALIFORNIA GORDON B. KAUFMANN, ARCHITECT ARCHITECT AND ENGINEER. June, l^30
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