Inventions What Elisha Otis invented? The brake used in modern elevators Hydraulic Crane Jet Engine Turbine The brake used in modern elevators Hydraulic Crane Jet Engine Turbine ANSWER DOWNLOAD EXAMIANS APP
Inventions What Sir Isaac Newton invented? Spectacles Chronometer Reflecting telescope Microscope Spectacles Chronometer Reflecting telescope Microscope ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first Lionel trains manufactured? 1901 1920 1890 1944 1901 1920 1890 1944 ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1980s 1960s 1950s 1940s 1980s 1960s 1950s 1940s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who developed the idea of Crop Rotation? Potato Peterson Swede Svenson Turnip Townsend Cabbage Carlson Potato Peterson Swede Svenson Turnip Townsend Cabbage Carlson ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the BALLPOINT PEN? Waterman Brothers Biro Brothers Bicc Brothers Write Brothers Waterman Brothers Biro Brothers Bicc Brothers Write Brothers ANSWER DOWNLOAD EXAMIANS APP
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