Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Giuseppe Mercalli Joshua Rumble Charles Richter Hiram Walker Giuseppe Mercalli Joshua Rumble Charles Richter Hiram Walker ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention was first installed at a Hartford, Connecticut bank in 1889? Time-lock safe Pay telephone Automatic teller machine Burglar alarm Time-lock safe Pay telephone Automatic teller machine Burglar alarm ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Benjamin Franklin Thomas Alva Edison Alfred B. Nobel Rudolf Diesel Benjamin Franklin Thomas Alva Edison Alfred B. Nobel Rudolf Diesel ANSWER DOWNLOAD EXAMIANS APP
Inventions When were blue jeans invented? 1870s 1850s 1860s 1900s 1870s 1850s 1860s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions For what is Charles Babbage (1792-1871) remembered? Radio-Telegraphy Telescopes Steam Boating Computers Radio-Telegraphy Telescopes Steam Boating Computers ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention caused many deaths while testing it? Race cars Parachute Dynamite Ladders Race cars Parachute Dynamite Ladders ANSWER DOWNLOAD EXAMIANS APP
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