Inventions e-Book's MCQs - Complete
Spectograph MCQ App Download (Free) & e-Book - 327
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MCQ:
Which one of the following received a patent for the far ultraviolet camera?
- Sir Walter Wingfield
- Sir George Carruthers
- Sir Walter Brattain
- Sir T.J Blachut
b
Inventions App & e-Book Tests PDF Download
Telescope MCQs
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Jolly Jumpers MCQs
Kerosene MCQs
Lacrosse MCQs
Electric fire engine MCQs
Electric Elevator MCQs
Petrol Engine MCQs
String Trimmer MCQs
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General Knowledge MCQs eBook Download
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