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Light and lighting (1908)
Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 81
= =>af5-:i TuNirbTSlN SiTp^qranT PiurmENTJ^MP PUJTTED TO MC^X.C P = lOO = i)«Me LAMP WITH HOuOPHRNE 1 TYPE A= BF\^E hAlP-WRTT lamp PuaTTED TO M^^MMUM C.P. = loo > ijRME LfAMP WITH HolDPUHNE 1 TYPERtPLtCTOR. … = Boat TUNc^TEN ST^ftlyHT FlLflMENT ~ BRf^E HflUF-wqTT UflMP PUDTTED 10 LP|MPPLiTrn:DTOMF\X.C.P.= lOO MflviMuM.C P. =!00 = iHN\F- UflMP WITH HOUJPHRNElF TNPE = 3f\Me UflMP WITH HOLOPHFINeFTYPt PiErL£CT3(^. . RtFueCTOH. THE ILLUMINATING ENGINEER (iKB. 1916) 71 TOPICAL AND INDUSTRIAL SECTION. — • • •…Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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