4.5" British WW1 casing

[dano1917]

Pictured is a 4.5" British howitzer casing with unfired primer in my collection. Question is simple (me thinks). What does the EOC abbreviation stand for? Dano

 

[HAZORD]

Elswick Ordnance Company

There are a number of threads about it.

This one has some history from Ydnum303:

http://www.bocn.co.uk/vbforum/37-x-228-t50029.html?t=50029&highlight=Elswick

 

[dano1917]

tanks HAZ

Thankyou so much John, I certainly appreciate the input. Best...Dano