In 1816, …………….invented a machine called Davy's Safety Lamp.'
A) sir humphry davy
B) john smeaton
C) thomas newcomen
D) james watt
Correct Answer:
Verified
Q11: In 1769, ……………invented a machine run by
Q12: Samuel Crompton removed the defects of the
Q13: In 1733, ………….had invented a device called
Q14: In 1785, ……………..invented the Automatic or Power
Q15: Who invented a machine called the 'Cotton
Q17: In 1801, ………………invented the first steam locomotive.
A)richard
Q18: In 1807, …………..invented the steamboat called the
Q19: …………..invented the first steam engine in 1705,
Q20: In 1769, ………….invented a better steam engine
Q21: The discovery of a new method of
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents