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DABOLL'S

SCHOOLMASTER'S ASSISTANT.

ARITHMETICAL TABLES.

Numeration Table.

Pence Table.

98 7

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∞ Hundreds of Thousands.

6648‹ Tens of Thousands. 46665A

Thousands. 46696 Hundreds.

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7 6 5 4 3

8 7

9

5

65

8 7

8

9

46699-Units.

90 7 6

96

100 8 4

108

110 9 2

120 I

120 10 0

132

1

4

7

8

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ADDITION AND SUBTRACTION TABLE.

1

23

4|5| 6|

7| 8| 9|10|11| 12|

2 4 5

6

3 56

7

4 6 7

5

7

8

6

9

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7 8 9 | 10 | 11 | 12 | 13 | 14|
8| 9|10|11 | 12 | 13 | 14 | 15
8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16|
9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17
10 | 11 | 12 | 13 | 14 | 15 |
11 | 12 | 13 | 14 | 15 | 16
12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20
9 | 11 | 12 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21
|10 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |22|

7 9 10

8 | 10 | 11 |

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16 | 17 | 18

17 | 18 | 19

MULTIPLICATION TABLE.

T 2 3 4 5 6 7 8

9 | 10 11 12 18| 20 | 22 24 30 331 36,

2 4 6 8 | 10 | 12 | 14 |16|
69|12| 15 | 18 21| 24 | 27

3 4| 8|12|16| 20 | 24 | 28|32|36| 40| 44| 48 5|10| 15 |20|25 | 30 | 35 | 40 | 45 50 55 60 6 | 12 | 13 | 24 | 30 | 36 | 42 | 48| 54|60|66| 72 7|14|21 28|35|42|49|56| 63 70 | 77 84 8|16|24|32 | 40 | 48 56|64| 72|80| 83 9|18|27 36|45|54|63|72|81|90|99|108 (10 | 20 | 30 | 40 | 50 | 60 70 80 90 100|110|120| 1112233 44 | 55 | 66 77 | 88 | 99 | 110 | 121 | 132 12|24|36|48|60|72 | 84 | 96 | 108 | 120 | 132 | 144|

96

To learn this Table: Find your multiplier in the left hand column, and the multiplicand a-top, and in the com. mon angle of meeting, or against your multiplier, along at the right hand, and under your multiplicand, you will find the product, or answer.

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4 quarters,

28 pounds, 1 quarter of a hundred weight,

20 hundred weight,

lb.

gr.

cwt.

T.

By this weight are weighed all coarse and drossy goods, grocery wares, and all metals except gold and silver.

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1 pound,

1 hundred weight,

1 tun.

12 ounces,

Apothecaries use this weight in compounding their mc

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4 pecks.

1 bushel,

qt.

pk.

bu.

This measure is applied to grain, beans, flax-seed, salt,

oats oysters, coal, &c.

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Note.

All brandies, spirits, mead, vinegar, oil, &c. are measur

ed by wine measure.

231 solid inches, make a gal

lon.

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1 league,

lea.

69 statute miles,

1 degree, on the earth.

360 degrees, the circumference of the earth.

The use of long measure is to measure the distance of places, or any other thing, where length is considered, without regard to breadth.

N. B. In measuring the height of horses, 4 inches make I hand. In measuring depths, 6 feet make 1 fathom or French toise. Distances are measured by a chain, four rods long, containing one hundred links.

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128 solid feet, or 8 feet long,

4 wide, and 4 high,

1 cord of wood.

All solids, or things that have length, breadth, and depth, are measured by this measure. N. B. The wine gallon contains 231 solid or cubic inches, and the beer gallon, 282. A bushel contains 2150,42 solid inches.

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13 months, 1 day and 6 hours, 1 Julian year,

mo.

yr.

Thirty days hath September, April, June, and November, February twenty-eight alone, all the rest have thirty-one. N. B. In Bissextile, or leap year, February hath 29 days.

12. Circular Motion.

60 seconds (") make

60 minutes,

1 minute,

1 degree,

I sign,

S.

30 degrees,

12 signs, or 360 degrees, the whole great circle of the

Zodiack.

B

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