1. Dr. Black was the originator of the new view of heat, wasn't he?
Was Dr. Black the originator of the new view of heat?
Was Dr. Black or his son the originator of the new view of heat?
When was Dr. Black the originator of the new view of heat?
Who was the originator of the new view of heat?
2. The idea came from the study of the conversion of coal
to power that had already been achieved in practice by
steam engine, didn't it?
What came from the study of the conversion of coal
to power that had already been achieved in practice by
steam engine?
Did the idea come from the study of the conversion of coal?
Did the idea come from the study of the conversion of coal or iron?
Where did idea come from?