From The Dreadnought Project
A gun requires a sighting mechanism if it is to be able to hit its target, but you cannot construct such a device before you have a complete understanding of how the weapon will function when firing under different conditions.
- Admiralty, Gunnery Branch. C.B. 1245. Range Tables for His Majesty's Fleet. Volume I. 1918. (9.2-inch Guns and Above.). Pub. No. OU 6089 (late CB 1245), Vol. 1 The National Archives. ADM 186/236.