Inventions Practice Tests
Inventions Online Tests
The Spectograph Multiple Choice Questions (MCQ Quiz) with Answers PDF (Spectograph MCQ PDF e-Book) download to practice Inventions Tests. Learn Inventions and Inventors Multiple Choice Questions and Answers (MCQs), Spectograph quiz answers PDF for online elementary school classes. The Spectograph MCQ App Download: Free learning app for a.c, fortran, snowblower, music synthesizer test prep for virtual online school.
The MCQ: Which one of the following received a patent for the far ultraviolet camera; "Spectograph" App Download (Free) with answers: Sir Walter Wingfield; Sir George Carruthers; Sir Walter Brattain; Sir T.J Blachut; for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Google eBook (Free Sample) for school certificate.
Which one of the following received a patent for the far ultraviolet camera?
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