JB/135/087/003

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No 371 Prob. 21. p. 272

The diameter of a globe
being given; to find the
superficies.

Rule.

Find the circumference of a
great circle upon the globe
by article 356, and multiply
the circumference by the diameter.

No 372 Prob. 21. p. 273.

The diameter, or semidiameter
of a globe being
given, to find the superficies.

Rules

Multiply 3,1416 by the
square of the diameter. Or
2. Multiply the square of
the semidiameter by 88, &
divide the product by 7.

No 373. Prob. 22. p. 274

To find the superficies of a
segment of a globe, made
by the section of a plain.

Rule.

Multiply the circumference
of the globe by the
height of the segment.

No 375 Prob. 23. p. 276.

To find the solidity or content
of a cube.

Rule

Multiply the square
of the side by the side.

No 376. Prob. 24. p. 277

To find the content of a
prism.

Rule

Multiply the area of the
base by the height.

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No 377. Prob. 25. p. 280

To find the content of a
wall, in square rods of
a brick & half thick.

Rule.

Multiply the area of
the wall in feet, by the
number of half bricks
in thickness, and divide
the product by
816.

No 378. Prob. 26. p 281

To find the content
of a pyramid.

Rule

Multiply the area
of the base by a third
part of the altitude.

No 381. Prob. 29. p 284

To find the content of
the frustum of a square
pyramid made by a
section parallel to the
base.

Rule.

To the areas of the ends,
add the product of
their sides, and multiply
the sum by a
third part of the altitude.

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No 382. Prob. 30. p. 285.

To find the content of
a prismoid, being a
solid contained under
six plains; the bases
are parallel rectangles,
and the four sides
quadrangles.

Rule.

To the areas of the
ends, add the product
of the sums of their
lengths & breadths, and
multiply this sum by a
sixth part of the altitude

No 383 Prob. 31. p 286

To find the content of a
cylinder.

Rule

Multiply the area of the
base by the altitude of the
cylinder.

No 384 Prob. 32. p 287

To find the content of a
triangular cestern,
whose bottom is the
sector of a circle.

Rule

Multiply the area of the
bottom in inches, by the
depth in inches; and
divide the product by 282.

No 305. Prob. 33. p 288

The bung diameter, head
diameter, and length
of a cask (within side) being
given; to find the
content of a cylinder
nearly equal to it; which
is called gaughing the
cask.

Rule.

To the head diameter, add
seven tenth parts of the
difference between the bung
& head diameters, and the
sum will be a mean diameter
of the cask; and multiply
ye sq. of ye mean dia. the length of the cask, and 0,78 together.

No 386 Prob. 34. p 289

To find the content of
a cone.

Rule.

Multiply the area of
the base by a third
part of the altitude.

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Identifier: | JB/135/087/003"JB/" can not be assigned to a declared number type with value 135.
Date_1		Marginal Summary Numbering
Box	135	Main Headings	posology
Folio number	087	Info in main headings field	geo.
Image	003	Titles
Category	copy/fair copy sheet	Number of Pages	3
Recto/Verso	recto	Page Numbering
Penner		Watermarks
Marginals		Paper Producer
Corrections		Paper Produced in Year
Notes public		ID Number	46205
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