San Francisco : Architect and Engineer, Inc · leaf 358
ns of 8-footdoors can be used without the ne-cessity of installing breaker stripsor posts to separate the doors, andthe door, weighing less than 60 pounds, can be hung and weather-stripped, ready for use, in less thanthirty minutes. One man can dothe job, simply by centering thedoor in the opening… … A new technique of erasing inkfrom tracing cloth, typing errors,and other erasures is contained inthe RUSH (FybRglass) Eraser,which operates by a slight brush-ing stroke rather than rubbing aswith the ordinary eraser. Complete data on uses and util-ity of this product may be securedfrom The Eraser…
Architecture · Building
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