San Francisco : Architect and Engineer, Inc · leaf 117
ntoChemical Company of Saint Louis. Aluminum metaphosphate is derived largelyfrom aluminum and elemental phosphorus andrepresents a radical departure from such glassbases as lead, sand, soda, ash, and lime. Post-war fluorescent lights may utilize phosphateglass due to its ultraviolet permeability,… … A new lighting development, designed to pro-vide best seeing conditions for critical eye tasksin offices, drafting rooms, schools, and readingrooms, is the new Guth Cadet luminaire. Suspended 24 to 30 beneath the ceiling inindividual or end-to-end lighting arrangements,translucent cream white…
Architecture · Building
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