If a man have a tent made in linen of which the apertures haveall beenstopped up, and it be twelve braccia across and twelve in depth, he will be able to throw himself down from any great height without sustaining injury.
The tempest unleashes an alphabetletters fall through the apertures of crazy anglesto spell out the futureuprooting the course of inventionand enslaving the mastersnancy peters
I observe you have thought proper to insert the last number of the Philosophical Magazine your opinion that my attempts at the safety tubes and apertures were borrowed from what I have heard of Sir Humphrey Davy's researches. The principles upon which a safety lamp might be constructed I stated to several persons long before Sir Humphrey Davy came into this part of the country. The plan of such a lamp was seen by several and the lamp itself was in the hands of the manufacturers during the time he was here.george stephenson
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