THE ROYAL ARTILLERY INSTITUTION. 
267 
Produce the axle of the limber, when locked, until it meets that of the 
gun or wagon produced in the point H, and produce the outer limber-wheel 
to F, EF being equal to the length of the pole pair of horses measuring from 
centre of limber axle or l. Join FH and draw CK parallel to GH. The 
axle of the limber, as aforesaid, is shown in two positions. They intersect 
