The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 485
UNIVERSAL SAFETY TREAD, SHOWING CORRUGATED ANTI-SLIP TREAD 132 The Architect and Engineer … A TYPICAL SCHOOL STAIRWAY EQUIPPED WITH UNI) E^SALSAFETY TREADS its unique construction it presents a continuous,in hi dipping wearing surface of lead. We have many hundreds of schools through-out the country equipped with our safely tread.including, besides San Francisco, all the schoolsin…
Architecture · Building
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