History grade 5 weekly assignment

The twist drill: John Wilson invented the boring machine in 1774, but his drill was a cutting bar. Steven A. Worse invented the drill bit in 1861. it cuts a clean hole and lifts debris up and out as it turns, Morse manufactured his bit and sold it to various industries and in several countries. Its what we think when we imagine a drill, and they are used in large and small construction projects alike. Repeating rifle: The rifle had evolved from the barques and musket result in increased accuracy. but was slow loading. Benjamin Tyler Henry invented the lever action repeating rifle in 1860 after spending years working as a gunsmith. it could rapidly fire 17 powerful rounds at close range, it rose to fame during civil war as a rare but novel item that soldiers though would help save their life, then as the iconic western rifle following the war.

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