Two different double bayonet adaptors

BG and an unbranded item.

BG brand adaptor

BG bayonet double adaptor showing black button BG bayonet double adaptor showing red button This is a BG branded adaptor.

One side has the letters BG inside a six point star. The other side states 'Made in England".

As with most of these adaptors, the red button is pressed for ON, the black button for OFF.

The plug pins are single piece brass items.

BG - Black metal sockets

Metal socket rings on a BG bayonet adaptor Metal socket rings on a BG bayonet adaptor The bayonet sockets are dark coloured metal, one of which has a glue or other sealing residue around the edge.

The shade ring is missing.

Unbranded

Empire made dual bayonet adaptor Empire made dual bayonet adaptor plug This example has no brand name, and merely states 'Empire Made'.

The plug pins on this one are formed from the heads of two brass screws.

Unbranded - Shade ring

Double BS52 bayonet adaptor with shade ring Double BS52 Empire Made bayonet adaptor This unbranded item has the shade ring, which is used to secure a lampshade to the adaptor.

Shade rings were frequently lost or broken, as the heat from the lamp made them brittle.

 

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