Inventions Which of the following was first patented by an Australian in 1889? Electric Drill Electric Fence Electric Heater Electric Shaver Electric Drill Electric Fence Electric Heater Electric Shaver ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the Raggedy Ann doll patented? 1911 1920 1919 1915 1911 1920 1919 1915 ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1880s 1800s 1890s 1900s 1880s 1800s 1890s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Dynamite? Sir Alexander Graham Bell Alfred B. Nobel Benjamin Franklin Thomas Alva Edison Sir Alexander Graham Bell Alfred B. Nobel Benjamin Franklin Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Charles Goodyear Leo Hendrik Baekeland Henry Ford Roy Plunkett Charles Goodyear Leo Hendrik Baekeland Henry Ford Roy Plunkett ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the AEEE (now the IEEE) founded? 1930s 1880s 1950s 1850s 1930s 1880s 1950s 1850s ANSWER DOWNLOAD EXAMIANS APP
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