EARLY DESIGNS OF LOW PRESSURE SODIUM LANTERNS
Revo C10735/180 140W SO/H lantern
180deg. 140W SO/H Esla
Wardle 'Seagull' type 140W SO reflector lantern-aluminium version
Wardle 45W 'Seagull' in cast iron
Phillips?Cast Iron 140W SO open refractor lantern
Revo Open type 140W SO 'Silver Gold'
Revo Enclosed type Silver Gold
Translucent front glass and perspex refractor panels in next Revo Variant
All Perspex'Dalek' bowl version of Revo 140W SO/SOI lantern
Cut Off version of above with curved glass bottom and side reflector mirrors