Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 549
oom an Ediswan Halt-watt lamp WQe [being tested, in another on,- ih<- Downlite lain])- fitted with (.palcoating over tla- upper hemisphere :life-testa were in full >win:_r. In another part of the building thepacking and dispatching departmentwas very active. Altogether it wasevident that tin-… … At the bedside. fWk
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