Inventions Practice Test 51
Phonograph Quiz PDF: Questions and Answers - 51
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The MCQ Quiz: Phonograph was patented in; "Phonograph" App Download (Android & iOS) Free with answers usa, america, italy and spain for online courses. Study inventions and inventors questions and answers, Apple Book to download free sample for free online courses.
Phonograph Questions and Answers PDF Download: Quiz 51
MCQ 251: The phonograph was patented in
- America
- USA
- Italy
- Spain
MCQ 252: Pendulum Clock was invented by a Dutch physicist named as
- Sir Christian Huygens
- Sir Thomas Edison
- Sir William kennedy Dickson
- Sir J.Stuart Blackton
MCQ 253: Quartz Clock was invented by
- Sir Nikola Tesla
- Sir Rudolf Diesel
- Sir Schuyler Skaats Wheeler
- Sir Warren Marrison
MCQ 254: Escalator was discovered by
- Sir Jesse Reno
- Sir Henry W. Seelay
- Sir Schuyler Skaats Wheeler
- Sir Samuel W. Francis
MCQ 255: Sea plane was patented in
- 1925
- 1910
- 1865
- 1989
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