San Francisco : Architect and Engineer, Inc · leaf 125
ture. Fix-tures are designed to operate efficiently with a certain size bulb, and adifferent size destroys the efficiency of the fixture. Our FREE booklet gives pictures and suggestions about lighting yourhome to modern standards. It will help you light your home right.Send for it today. NORTHERN… … CLAY PIPE VENTILATORS-Theseareoneof manyclay products made by N. Clark & Sons. Their highly glazecfinish is impervious to the action of plant and factory fumesThe all-around utility and usefulness of these ventilatorjhas been proven in hundreds of installations. Uncle Sam is ouibiggest…
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