Group: Street lighting

Old Series Street Lighting Circuits

CD 230 Hemingray 512 glass insulators in service u…

Glass insulators used on street light A-frame brac…

CD 230 glass insulators used on series lighting ci…

CD 230, 239 glass insulators and a U 399B porcelai…

CD 230 glass insulators used on series street ligh…

Old series street lighting circuit regulator pole…

CD 230 Hemingray glass insulators and a U399-B por…

CD 230 Hemingray glass insulators and a U399-B por…