Inventions Practice Test 136
Gyrocompass Quiz Questions and Answers PDF - 136
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The Quiz: A usable gyro compass was invented by; "Gyrocompass" App Download (Free) with answers dr raymond lemieux, sir percy spencer, sir hermann anschutz-kaempfe and sir peter williamson for distance learning. Solve inventions and inventors questions and answers, Amazon eBook to download free sample for online schools.
Gyrocompass Questions and Answers PDF Download: Quiz 136
MCQ 676: A usable gyro compass was invented by
- Sir Percy Spencer
- Dr Raymond Lemieux
- Sir Hermann Anschutz-Kaempfe
- Sir Peter Williamson
MCQ 677: Relief Etching was patented by
- Sir Don Marcelino
- Sir William Blake
- Sir James Arnot
- Sir William Blanc Brain
MCQ 678: The electric iron was invented by an American mathematician born in Cazenovia named as
- John Loudon McAdam
- Sir Henry W. Seelay
- Sir James Hillier
- Uno Vilho
MCQ 679: On which one of the following dates World Wide Web was invented?
- 1972
- 1989
- 1986
- 1930
MCQ 680: Colt Revolver was invented by
- Sir Samuel Colt
- Sir George Smith
- Sir Willard Boyle
- Sir Leon Battista Alberti
Mock Tests: Inventions Course Prep
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