Obferve concerning the Numeral Letters, that if a lefs Numeral Letter be placed before a greater, it takes away from the greater fo much as the leffer ftands for: but being placed after a greater, it adds fo much to it as the leffer ftands for: as the Letter V ftands for Five; but having I. placed before it, it takes One from it, and makes both ftand but for Four, thus IV. But I. being fet after V, it adds One to it, and makes it Six VI. Take notice of these Examples.

VI. Six.

XI. Eleven.
LX. Sixty.

IV. Four. V. Five.
IX. Nine. X. Ten.
XL. Forty. L.. Fifty.
XC. Ninety. C. Hundred. CX.Hundred & ten.

Obferve concerning the Characters or Figures, that Cyphers at the right-hand of Figures increafe their value ten times, as 1, One, 10 Ten, too Hundred, 7 Seven, 7000 Seven Thousand: but at the lefthand they fignify nothing at all, as oi, oor, make but One, oooz is but Two.

A Figure at every Remove from the right-hand, encreases its Value ten times, as 9 Nine, 98 Ninety-eight, 987 Nine-hundred-eighty-Seven.

26. Twenty-fix..

XXVI.

27. Twenty-seven. XXVII.

28. Twenty-eight. XXVIII.

29. Twenty-nine.

30. Thirty

40. Forty

50. Fifty

XXIX.

XXX.

XL.

L.

200.Two Hundred

3.00. Three Hundred 400. Four Hundred 500. Five Hundred 600. Six Hundred 700. Seven Hundred

800. Eight Hundred 900. Nine Hundred 1000. One Thoufand 1720.

C.

CC.

CCC.

CCCC.
D. or I.
DC. or IOC..
DCC. or IOCC.
DCCC. or 10CCC.
DCCCC or ICCCC.
M or CIƆ.

M DCC XX. One
Thoufand Seven-hundred and twenty.

Note that where Books, Chapters, Sections, and Verfes are cited, the Numeral Letters are generally used to fignify the Book or Chapter, and the Figures to fignify the Sections, Verfes, or fmaller Parts; as Exod. xii. 17. Exodus, the twelfth Chapter, and the feventeenth Verfe. So B.IX. Set, 24. fignifies Book the Ninth, and the twenty-fourth Section. Figures are alfo ufed to exprefs the Things following, (viz.)

1. The Order or Succeffion of Things, as ift, 2d, 3d, 4th, 10th, 39th, first, second, third, &c. 2. The Fractions or Parts of a Thing, as one balf, one third part, one fourth, or quarter;

two thirds, three quarters, five eighths, &c. 3. The Numbers of Action, as 2ce twice, zee thrice.

4. The Size of Books, as 4th Quarto, 8° O&avo, 12 Duodecimo or Twelves, 24° Twentyfours.

5. The Months, as 7br September, Ebr O&tober, br November, cbr December.

A Table of Letters and other Marks ufed for whole Words in Money, Weights, Meafures, &c.

LEtters and Marks. q. a Quarter of an

3ii. two Ounces.

Div. four Scruples.
3ifs. One Dram and
a half.
gt Drop.
m. Handful.

ana. equal Quantity.
Numbers.

6+2 fix more two, or fix encreafed by

two.

6-2 fix lefs two, or fix leffen'd by two.

6×2 fix multiply'd by two.

fix divided by two.

6=3+3 fix is equal

to three more three.

The Seven Wandring Stars, call'd The Seven Planets.

O The Sun.

> The Moon. ↳ Saturn.

Jupiter, or Jove.

¿ Mars..

? Venus.

Mercury.

? But by the best
Philofophers in our
Age, the Sun is fup-
pofed to rest in the
"Centre, and that the
Earth is a Planet, and
then is fometimes
J marked thus &

According to the Vulgar Philofophy, the Planets may be thus defcribed in their Order.

The Earth, the Centre of the World,
Sees all the Planets round her hurl'd;
'The Moon keeps always near:
Then Merc'ry, Venus and the Sun,
And Mars and Jove their Circuits run,

And Saturn's highest Sphere.

Or