NOS Vintage Railroad Lantern Replacement Green Glass Mfg Kopp Glass 5” Dia
Vintage Cobalt Green-Blue Kopp Glass Ribbed Dome Lens 5" D. 3 1/2 F.
Red Kopp Glass Lens for Transportation Signal Stoplight 7 9/16"
Red Fresnel Kopp Glass Globe for Short Railroad Railway RR Ry Lanterns
Vintage Red Kopp Glass Ribbed R/R Lantern Globe – 3 ¼” X 3 ¼”
Vintage Kopp Glass Blue Signal Lens 5 3/8 Inch Diameter RDL Industrial Lighting
Vintage Kopp Glass Cobalt Blue Railroad Signal Lens AAR Tested 5L 3 1/2F
Vintage Kopp Glass Clear Signal Lens 5 3/8 DIA RDL Railroad Industrial
Vintage Cobalt Blue Kopp Glass Ribbed Dome Lens RL4364 5 3/8" D. 3 1/2 F.
Signal Green Kopp Glass 4 1/8" Railroad Lantern Switch Lamp Lens
2 3/4" Signal Amber Kopp Glass Railroad Ribbed Lens Glass RL4219
Kopp Glass Red CIRCULAR Apx 4 3/4" Lens Lenses Lantern ?