eli whitney blake, silas blake, and john blake, nephews of eli whitney, the inventor of the cop engine. after his death in 1825. the blake brothers took over operation of the factory, and whitney's son eli took over the operation from his cousins in 1841. eli whitney blake invented the first stone crushing machine, which provided the material to create the nations first paved roadways. the blake brothers patent in the first mortar locking latch that was inserted into the body of the door. their invention replace the box lock and latch that was affixed to the outside surface of the .oor sir henry stevens maxim was born in maine in 1840. while born in america, he later became a british citizen. maxim received his greatest recognition preventing the world's first automatic portable machine gun. his gun could fire 500 rounds per minute, equal to the firepower of 100 rifles. the gun revolutionized warfare. he offers his weapon to the united states war and navy departments, both of which declined it on the grounds that it was impractical. the following year, maxim sold his gun to most of the

eli whitney blake, john blake and lawrence blake. inventor of the cotton gin, after whitney's death in 1825, the blake brothers took over the operation of the gun factory. as i mentioned, his son took over the operation from his cousins. 1858, he invented the first stone crushing machine which provided the material to build the nation's first paved roadways. this achievement earned him the title father of the american road system. brothers, patented by them in 1833 was the world's first lock and latch that was inserted into the body of the door. there invention replaced the box lock and latch that was affixed to the outside surface of the door. sir henry stephen maxim was born in maine in 1840. all born in america, he later became a british citizen. he received his greatest recognition for inventing the world's first portable machine gun. his gun could shoot 500 rounds per minute, equipped with the firepower of 100 rifles. the gun revolutionized warfare. he offered his weapon to the united states war and navy departments. both of whic