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Semi-indirect lighting with a new unit practical for any purpose : that is more efficient than any other lighting unit on the market (1920)
Luminous Unit Co. · Luminous Unit Co. · leaf 25
TMJ{J COSrTHIOD MflOC OfMflUJfttE J/^OIN.•■^•oviCiCi #^>»t inflTAtt-CTiON OM ON* OVTUT.NO ■-* 3 v (_•*!■.■, q- jCist -r | ■_ _ vj < >- . iisUvtATO^B **Tt ^C^yi^e©. DETAIL or THE interior; const^v/ctiom OP THf B^SCOLlTC LUMilSJ OU6 UNIT S*A*# LOfir* w.TH LciTnClj tVA^ff^S i*»-iCHHOL0 T«C… … PfiT^fNT QPPLED FOR ii TOP VIEW OF MAILABLE IRON TRIPODFOR UNIVERSAL APPLICATION THE LUMINOUS UNIT COMPANY 2615 Washington Avenue ST. LOUIS, MO. :Electrical engineering · Lighting · Interior lighting · Lighting Fixtures
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