Kopp Glass Red & Blue Stage Theatre Lighting Lenses

4 red & 4 blue. Approx. 5 5/8" in diameter.

There are (2) blue approx. 4" in diameter, (2) clear 5 1/2" in diameter, and (6) 6 1/2" in diameter

Approx.5 5/8" in diameter

This is an Adlake Signal Lens set. Can be hand-held, and springs move the red, amber, or blue lens accordingly to give the operator the necessary signal/color. The lenses are Kopp glass. Neat piece!

A group of railroad signal lenses including six 8 3/8" glass lenses. Corning lenses include two red, one amber, and one green. Two blue Kopp lenses. Six 5 3/8" diameter glass lenses includes two red K

Pair Vintage Kopp Red & Blue Railroad Signal Lantern Lamp Glass Lens 5 3/8 L & 3 1/2 F

Group of eight Major / Kopp 7 5/8" glass lenses including four green, three RSA blue, and one red. All appear to be new old stock. See photos for best description.

Apprx 3 1/2" in diameter.

Railroad Signal Lantern, embossed Gray-Boston, metal w/textured red/blue glass lenses, unique base for attaching lamp to a square switch stand post, Exc cond, 13"H.

Railroad signal lantern, embossed Gray-Boston, metal w/textured red/blue glass lenses, unique base for attaching lamp to a square switch stand post, Exc cond, 13"H.

Adlake Switch Lantern, Red/Blue glass lenses, very old

(3)Vintage Kopp Glass Traffic Light Lenses - Blue + Yellow Arrows, (1) Blank - All 12''

Pair of large Dutch copper and brass ship lanterns with red and blue glass lenses behind a fresnel lens. 22 x 13 in wide. Stamped STUURBOORD (starboard) and BAKBOORD (port).

Signed Adlake subway signal lights (semaphore) with amber, red and blue glass lenses - early 20th century. 13.5"H. Excellent condition. Mounted on museum mount iron display base.

Very Old Adlake Marker Lamp 2 red glass lenses, 1 blue glass lens, 1 plastic green lens.

This is a lot of five Corning and Kopp clear, red, and blue (green) railroad semaphore lenses. Four are 7 ¾ inch lenses, while one is an 8 3/8 inch diameter. No cracks

A nice example of this ornate optical glasses trade sign featuring blue and red lenses in the glasses. The blue and red glass lenses remain undamaged and display very nicely. The metal frame of the si

Antique Adlake standing switch light. 4 Glass lenses, colors blue, red, green, and orange. Stands 54" tall

Vintage railway signal lamp circa 1940's; Metal lamp base with clear bevel glass hinged front door; Top handle turns inside blue and red glass lenses; No visible makers mark; Measures approximately H

Pair of antique port and starboard ship lanterns, one marked CITY METAL NY, having red and blue fresnel glass lenses. 20 in to top of handle.

Ship or yacht bow lantern by maker Robert Findlay of New York. With red and blue fresnel glass lenses, hinged rear door, vented top, carry handle, etc.. Weight is 6 pounds.

Dressel 500 line, 3 blue glass lenses, 1 red lens, with mounting ring, very nice light- lantern is complete

Ten 8 3/8" railroad crossing flasher glass red lenses. Made by either Corning or Kopp. Some use, but no notable cracks or chips. See photos for best description.

Chevron gasoline convex glass lens in red and blue with logo 13.5" D