Ill 



17 



trench mortar and shell. O. Large calibre trench mortar. H. Heavy bomb thrower. 

 3-in. anti-aircraft (20 cwU). 7. 6 in. howitzer (26 cwt.). 8. 8-in. howitzer, mark VII. 

 unting. 16. 12-in. howitzer, mark V, rly. mounting. 17. 12-in., mark IX, rly. mounting 



6y /. F. Campbell 



