 To make up for this , O 'Connor augmented Brigadier Edmund Herring 's 6th Division Artillery with part of the XIII Corps artillery : the 104th ( Essex Yeomanry ) Regiment , Royal Horse Artillery , equipped with sixteen 25 pounders ; F Battery , Royal Horse Artillery , with twelve ; the 51st Field Regiment , Royal Artillery , with twenty four ; and the 7th Medium Regiment , Royal Artillery , which was equipped with two 60 @-@ pounders , eight 6 @-@ inch howitzers , and eight 6 @-@ inch guns . There were also two antitank regiments , the 3rd and 106th Regiments , Royal Horse Artillery , equipped with 2 @-@ pounders and Bofors 37 mm guns . 
