mikeyashworth:
Revo of Tipton - electric discharge lamps catalogue 1937 -mercury vapour discharge equipment
mikeyashworth:
Revo Electric Co Ltd., Tipton - Revo electrical discharge lighting equipment catalogue 1937 - street lighting
mikeyashworth:
Revo Electric Co Ltd., Tipton - Revo electrical discharge lighting equipment catalogue 1937 - sodium street lighting
mikeyashworth:
Revo of Tipton - electric discharge lamps catalogue 1937 - sodium vapour discharge equipment
mikeyashworth:
Revo Electric, Tipton - electric discharge street lighting equipment, 1937 - mercury vapour lighting