Vintage Brimar 18D3 Production Sample Thermionic Valve Serial Number 015

On offer today we have a very rare survivor in the form of a Vintage Brimar 18D3 Production Sample Thermionic Valve Serial Number 015 made at the Brimsdown plant.

In excellent boxed cosmetic condition, the valve still sports its original, and vibrant, yellow and red production sample label hand-written with 18D3 and Ser. 015. As you may have noticed, the base has nine pins which are covered with a base plate.

Approximate size: 5.5 cm x 2.0 cm 

Brimar ECF804 = 18D3= CV5948 triode pentode valve

A nice little collectible which we are selling untested as a display item only.