The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 2 [of 3]

By Benjamin Franklin

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On water-spouts 11

The same subject continued 13

Water-spouts and whirlwinds compared 19

Description of a water-spout at Antigua 34

Shooting stars 36

Water-spouts and whirlwinds 37

Observations on the meteorological paper; by a gentleman in
Connecticut 45

Observations in answer to the foregoing,

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Text Comparison with Benjamin Franklin and the First Balloons

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Although the American owners of these copies did not allow them to be transcribed, Mr.
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Sir, On Wednesday, the 27th Instant the new aerostatic Experiment, invented by Mess^rs.
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I am much obliged to you for the Care you have taken.
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Please to accept and present my Thanks.
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Some of the larger Balloons that have been up are preparing to be sent up again in a few Days; but I do not hear of any material improvements yet made either in the mechanical or Chemical parts of the Operation.
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in passing thro' this Flame rose in the Balloon, swell'd out its sides, and fill'd it.
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This Method of filling the Balloon with hot Air is cheap and expeditious, and it is supposed may be sufficient for certain purposes, such as elevating an Engineer to take a View of an Enemy's Army, Works, &c.
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Thus the great Bulk of one of these Machines, with the short duration of its Power, & the great Expence of filling the other will prevent the Inventions being of so much Use, as some may expect, till Chemistry can invent a cheaper light Air producible with more Expedition.
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Charles & Robert's Experiment, which was to have been made at this Day, and at which I intended to be present.
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Means were used, I am told, to prevent the great Balloon's rising so high as might indanger its Bursting.
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Since writing the above, I have receiv'd the printed Paper & the Manuscript, containing some Particulars of the Experiment, which I enclose.
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" _Letter of October 8.
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Faujas' work, published in 1784.
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les deux tiers de leur Approvisionement.