Inventions MCQs – Certification Test 338

Sound recording MCQs (Question 338) – Learning App & e-Book Download

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MCQ 338: Sound recording was invented by an American businessman named as:

Sir Norman Rolston
Sir Thomas Edison
Sir James Hillier
Dr Dennis Colonello

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Free Sound Recording Learning App – Download from Play & App Store

The App: Sound recording MCQs App to Learn Sound recording Notes, General Knowledge MCQs App, and Zoology MCQs App for invention digital educational outreach.

The "General Knowledge Learning" App: Free Sound recording Learning App Download (Android & iOS) to develop invention digital awareness. Download App Store & Play Store Study Apps with all functionalities for invention learning communities.