Inventions For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what? Notepad Notice Board Telephone Book Calendar Notepad Notice Board Telephone Book Calendar ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Automatic Telephone Exchanges Vending Machines Parking Meters Traffic Lights Automatic Telephone Exchanges Vending Machines Parking Meters Traffic Lights ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? Philippines United States England France Philippines United States England France ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1874 1840 1895 1900 1874 1840 1895 1900 ANSWER DOWNLOAD EXAMIANS APP
Inventions What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? Calculator Microwave oven VCR Remote control Calculator Microwave oven VCR Remote control ANSWER DOWNLOAD EXAMIANS APP
Inventions What Elisha Otis invented? Jet Engine The brake used in modern elevators Turbine Hydraulic Crane Jet Engine The brake used in modern elevators Turbine Hydraulic Crane ANSWER DOWNLOAD EXAMIANS APP
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