I have one that is Kopp glass & 1 that is Corning.
This product would be ideal for railroad enthusiasts or professionals needing a red flat signal lens for lantern 5.
Railroad Lens Red Glass Fresnel Signal Lens For Lantern 5-1/2" 6275
Railroad Lens Corning Glass Red Signal Lens For Lantern 8-3/8"
Railroad Lens Kopp Glass Blue Signal Lens For Lantern 8-3/8" 6275
Railroad Lens Clear Glass Fresnel Signal Lens For Lantern 5-1/2"
Antique Canadian Pacific Railroad CPR red glass railroad lantern
B&0 ADLAKE RAILROAD LANTERN -RED GLASS
