WW2 Air Ministry AM Phoenix Glass Aircraft Antenna Mount Insulator 10B/11556 For An Aircraft Fuselage 

This is a British made WW2 Air Ministry AM Phoenix Glass Aircraft Antenna Mount Insulator 10B/11556 For An Aircraft Fuselage.

A heat resistant, high power, glass aerial feed-through insulator with a glass antenna bell and mounting base. 

Etched with the RAF stores number 10B/11566 where 10B = Radio (Wireless and Radar) Aerial and Mast Equipment and Insulators.

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