Harriot, Thomas, Mss. 6788

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981
981 (491r)
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984 (492v)
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985 (493r)
986
986 (493v)
987
987 (494r)
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988 (494v)
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990 (495v)
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1094547v
[Commentary:
This folio is a rougher version of Add MS f. .
At the top there is an alphabetic mnemonic for the first 8 digits of π.
]
cadaeibf
35,408,794,100,000 = circulus = 14 superficies terræ et
[Translation: a plane circle equal to 14 the surface of land and water.

141,635,176,400,000 superficies: maris et
[Translation: The surface of sea and land.

70,817,588,200,000 superficies:
[Translation: The surface of the ]

[Commentary: Saxton's map: Christopher Saxton's atlas of the counties of England and Wales, published around ] 49,987 miles square in (ut alibi by Saxtons map)
after 60 miles to a degree
including rivers & all

It lacketh but 13 miles of
50,000 miles. 5,000,000 persons.
1 mile. 100 persons. 70,817,588 miles. 7,081,758,800. persons (in the

[Commentary: This subcalculation gives 10,000 square pases per person, converted next to 250,000 square feet, then to 5 and 8/11 acres.] 1,000,000 pp. 100 persons.
10000 pp. 1 person.
10000 [square pases] =
250,000 [square feet] = 5811 acres. (note rivers & waste included
as

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