Peter Lymburner Robertson received a patent in 1909 for the invention of what tool?
- The electric chair
- The automatic swimming pool filter
- The swiveling lawn sprinkler
- The square-headed screwdriver
Answer
The correct answer is D) The square-headed screwdriver.
More History questions
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- What was the real name of General Stonewall Jackson?
- Before the Civil War, Stonewall Jackson was a professor of artillery and natural philosophy at which institute of higher learning?