Mills bomb rifle grenade by attaching a metallic rod to its base. This rod-type rifle-grenade had an effective range of about 150 yards. The operating procedure was to insert the Mills bomb rod down the barrel of a standard rifle, put a special blank cartridge in the rifle's chamber, place the rifle stock on the ground, then pull the Mills bomb's safety pin, releasing the safety spoon and immediately fire the rifle. If the soldier did not launch the grenade quickly, the grenade's fuse would time out and explode. The British soon developed a simple cradle attached to the rifle's bayonet lug
Science and invention in Birmingham technological preconditions for rapid economic growth to be attained. 1767: A number of prominent Birmingham businessmen, including Matthew Boulton and others from the Lunar Society, hold a public meeting in the White Swan, High Street, to consider the possibility of building a canal from Birmingham to the Staffordshire and Worcestershire Canal near Wolverhampton, taking in the coalfields of the Black Country. They commission the canal engineer James Brindley to propose a route. Brindley comes back with a largely level route via Smethwick, Oldbury, Tipton, Bilston and Wolverhampton to Aldersley. This kick-starts what is to become the Birmingham Canal Navigations. 1770: