San Francisco : Architect and Engineer, Inc · leaf 98
been tomaintain the unit weights of metal lath,and this has not been changed. SCHOOL BONDSVOTED Voters of the San Carlos ElementarySchool District, San Mateo county, recentlyapproved $575,000 in school bonds, withfunds to be used in constructing a newElementary School and making additionsto present… … Designed for use with electric motorsand gasoline engines, the VAC-ON switchhas many uses as a circuit-breaker or con-trol, and also serves as a warning controlwhere operating conditions depend on avacuum. Switch is mounted on the suctionline and wired to power supply—whensuction falls below a…
Architecture · Building
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