Inventions e-Book's MCQs - Complete
Periscope MCQs App Download & e-Book - 383
Apps:
MCQ:
The first naval periscope was invented by
- Sir Gideon Sundback
- Sir Hippolyte Marie Davy
- Sir Mathew Maury
- Sir Robert Bunsen
b
Inventions App & e-Book Tests PDF Download
Electric Elevator MCQs
Petrol Engine MCQs
String Trimmer MCQs
Capacitors MCQs
Teflon MCQs
Sleeping Car MCQs
World Wide Web MCQs
Freon MCQs
Electrophotograph MCQs
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General Knowledge MCQs eBook Download
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