CAPS, LAMP

Used on switchboard multiple lamp strips.

Diameter - 0.373"
Diameter of barrel - 0.315"

Variants - 1B, 1C, 1F, 2A, 2B, 2D, 3A, 3B, 5A, 5C, 7A, 9A, 9C, 11A, 16A, 16C, 20A, 20C, 21A, 22F, 26A, 27A and 28A.

See Caps, Lamp No. 71/1A for ridged variant.
 

Used on cord supervisory lamps on wooden switchboards.

Diameter - 0.408"
Diameter of barrel - 0.350"

Variants - 1A, 1B, 1C, 1F, 1G, 2A and 3A.
 

Tubular, with screwed ferrule.

Used on Jacks, Lamp No.32.

For Lamp-fittings Nos. 1, 2, 3 and 4.

Used in Teleprinter operator suites.

Used with Ring, Clamping, No. 3, on Unit, Signalling TG5111.

 

Used on wooden switchboards as section pilot lamps.

Variants - 1A, 1B, 1C, 1F and 28E.
 

Similar to Caps, Lamp No. No. 69 but has no metal guard or stencil.  Lens is not frosted or matt finished and metal body is chromium plated.

The same as Caps, Lamp No. 1 except that the lens has concentric ridges to reduce reflection.

Variants - As Caps, Lamps No. 1.
 

The same as Caps, Lamp No. 2 except that the lens has concentric ridges to reduce reflection.

Plastic, Semi-spherical -11/16" diameter.  Threaded.

For panel mounting.

Colours:-
Clear, Green and Red.

As for Caps, Lamp No. 74, but includes threaded end piece and nut, for 20 SWG max. panels.

For use with Cover, Lamp, No. 1.

Colours:-
Amber Translucent,  Clear, Green Translucent, Light French Grey (Opaque - for use as a dummy), Opal Translucent and Red.

Light French Grey.  For use on Switchboard P.M.B.X. No. 4/1A.

Provides F.L.S. on Exch. lines and P/W's Lamp cap with arrow head aperture.

Moulded: for use with Jacks, Lamp, Nos. 56A and 56B.

Colours:-
Blue, Green, Red, White and Yellow.

Similar to Caps, Lamp No. 77A, but transparent.

Colours:-
Blue, Green, Red, White and Yellow.

Moulded domed rectangular lamp cap.  Used with Cover, Lamp, No. 6A.

Colours:-
Amber, Clear, Green, Red and White Translucent.

Opaque grey with translucent amber insert.  Similar to Caps, Lamp No. 79A.

Used with Cover, Lamp No. 6A on Jack, Lamp No. 57A.

First used Switchboard, PMBX No. 2/4A

Moulded flat rectangular lamp cap, suitable for engraving.

Used with Cover, Lamp, No. 6A

Colours:-
Amber, Clear, Green, Grey Elephant Grey (dummy), Red and White Translucent (Opal).

Red Translucent lens, mounted behind "Spk. Extn. Exch held" Key on Plan-set N625.

White Translucent lens, mounted behind "Extn. to exch" each Key on Plan-set N625.

Amber - For Unit, Signalling TG2218.
Clear - For Units, Telex., No. 8.
Green - For Units, Telex Nos. 6 and 6A.
Red - For Units, Telex Nos. 6 and 6A.

Clear square cover for Keys No. 2000 type on Key-Buttons No's 3A-1, 3B-1 and 3C-1.

Used with Label No. 438.

Used with Telephones, Intercom No. 4/1A.

Square, translucent plastic cover.
 

Translucent, ½" square lens used on Cover, Lamp No. 6A.
 

Moulded semi-domed circular, 2.75 Watts max.

Used with Jack Lamp Nos. 5, 17A, 19A, 19B, 29, 29A, 30, 40, 40A, 50.

Colours:-
Numerous.

Position pilot lens for CSS No. 1 and 1A.
 

Used in TXE2 exchanges with Lamp-fitting No. 20/5A.