Robert Boyle — "The air pump is a philosophical instrument, not a toy."
The air pump is a philosophical instrument, not a toy.
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More from Robert Boyle
"The air is not an empty space, but a real and ponderous body."
"I have always looked upon the study of nature as a delightful and profitable employment."
"I have sought to reduce chemistry to the principles of mechanics."
"The corpuscular philosophy is the most intelligible of all."
"I have observed that mercury, when heated, will rise in a tube against its natural tendency."