Inventions When was the first lawn mower invented? 1835 1849 1854 1830 1835 1849 1854 1830 ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Screw propellor Chesterfield Sleeping (railway) car Electric streetcar Screw propellor Chesterfield Sleeping (railway) car Electric streetcar ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Traffic Lights Parking Meters Automatic Telephone Exchanges Vending Machines Traffic Lights Parking Meters Automatic Telephone Exchanges Vending Machines ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the game Frisbee invented? 1920s 1900s 1870s 1890s 1920s 1900s 1870s 1890s ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1950s 1960s 1980s 1970s 1950s 1960s 1980s 1970s ANSWER DOWNLOAD EXAMIANS APP
Inventions Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent? Banjo Oboe Harmonium Clarinet Banjo Oboe Harmonium Clarinet ANSWER DOWNLOAD EXAMIANS APP
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