Inventions Who invented Fountain Pen? Kirkpatrick Macmillan John J. Loud Sir Frank Whittle Lewis E. Waterman Kirkpatrick Macmillan John J. Loud Sir Frank Whittle Lewis E. Waterman ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1874 1895 1900 1840 1874 1895 1900 1840 ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Television Telephone Early Warning Electricity Television Telephone Early Warning Electricity ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1960s 1950s 1970s 1980s 1960s 1950s 1970s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bicycle? Kirkpatrick Macmillan Leo H Baekeland Karl Benz Evangelista Torricelli Kirkpatrick Macmillan Leo H Baekeland Karl Benz Evangelista Torricelli ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the game Frisbee invented? 1900s 1890s 1870s 1920s 1900s 1890s 1870s 1920s ANSWER DOWNLOAD EXAMIANS APP
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