Three planes were machined on the upper surface of the Howitzer, for use with quadrants enabling it to be elevated to 30 degrees.

46- and 70 cwt guns differed in number and type of rifling grooves so studded projectiles were only available for 46 cwt guns, and different automatic gas checks were required for studless projectiles.

[1] A number of different fuzes could be used enabling shells to either burst at a pre-determined time (and range), or on impact.

They were only semi-mobile and were used by Garrison batteries of the Royal Artillery in India, drawn by elephants, or kept in fixed emplacements or fortifications.

For example, by the 1890s Fort Widley had two howitzers on travelling siege carriages that could be moved to wherever they were needed.