JB/539/443/001

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This is to me as plain as possible and I believe the idea to
be perfectly new. I have be always heard it asserted that it
perfectly indifferent whether a vessel turn its side or its head
down the river where it is descending without the help
of wind or rowers oars. I have also heard that the
rudder has no effect on a vessel in such circumstances,
but I found when I tried the experiment on the Angara
that the bark moved fast enough through the water by
its gravity alone for one to be able to steer it by
its rudder from one side to the other.

Another time you shall have an account of my theory
of the increased momentum with which a body is t
struck in proportion to its depth in a running water.
My packet is already sealed to go by the messenger, this
goes as an appendix upon finding the messenger stays
a few hours longer.

Octr 15. 12 at night.

Identifier: | JB/539/443/001 "JB/" can not be assigned to a declared number type with value 539.
Date_1	1783-10-15	Marginal Summary Numbering
Box	539	Main Headings
Folio number	443	Info in main headings field
Image	001	Titles
Category	Correspondence	Number of Pages
Recto/Verso		Page Numbering
Penner	Samuel Bentham	Watermarks
Marginals		Paper Producer
Corrections		Paper Produced in Year
Notes public		ID Number
Box Contents