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DABOLL'S

SCHOOLMASTER'S ASSISTANT.

ARITHMETICAL TABLES.

Numeration Table.

Pence Table.

ollundreds of Millions.

Tens of Millions. covo.Hundreds of Thousands.

coMillions.
co va C Tens of Thousands.
Yer A Thousands.

84

96

d. $. d. d.
20 is 1 8

12 is l. 30 26

24 2 40 3 4

36 50 4 2 48 60 5 0 60 5 70 5 10 72 80 6 8

7 90 7 6

8 100 8 4 108

9 110 9 2

10 9 8 7 6 5 4 3 2 120 10 0 132 11. 9 8 7 6 5 4 3 9 8 6 5 9 8 7 6 5 9 8 7 6

make 9 8 7 4 farthings 1 penny, d. 9 8 12 pence 1 shilling,

9 20 shillings, 1 pound, £..

120

S

ADDITION AND SUBTRACTION TABLE.

4

13

1 | 2 | 3 | 4 | 51 61 7 1 3 1 9 | 10 | 11 12 2 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 31 51 61 71 81 9.10 | 11 | 12 | 13 14 | 15

6 | 7 | 8 9 | 10 | 11 | 12 | 13 14 | 15 | 16 577 | 8 | 9 | 10 | 11 12 14 | 15 | 16 | 17 61 8 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 71 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 19 8 | 10 | 11 | 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

MCLTIPLICATION TABLE.

1 | 2 | 3 | 4 | 5 | 6 | 7 | 81 9 10 11 12 21 416 8 | 10 | 12 | 14 | 16 | 181 20 22 24 31 6 9112 | 15 | 18 | 21 | 24 | 271 30 331 36 41 8112 | 16 | 20 | 24 | 28. 32 36 40 441 48 5 | 10 | 15 | 2012 | 30 | 35 | 40 45 50 55 60 6 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 601 66 72 7| 14 | 21 | 28 35 | 42 | 49 | 56 | 63| 701 771 84 8 | 16 24 | 32 | 15 | 18 | 56 | 64 | 721 801 881 96 9! IS 1:71 36 | 45 | 51 | 03 | 72 | 811 901 99|108 101 2013: | 40 10 10 70 80 90/1001101120 11 | 22 33 | 14 | 55 | 66 | 77 | 88 |99|110121|132 112 | 2 | 36 | 43 | 0172 | 84 | 96 | 108|120132 144

To Inarn this Table : Find your multiplier in the fest hand column, and the multiplicand a top, and in the comimon angle of meeting, or against your multiplier, along at the right hand, and under your multiplicand, you will find the product, or answer,

2. Troy Weight

pict OZ.

24 grains (gr.) make

1 penny-weight, marked
20 pez.ny-weights, 1 ounce,
12 punces,

1 pound,
3. Avoirdupois Weight.

16 drams (dr.) make

1 ounce, 16 ounces,

1 pound,

Zb. 28 pounds, 1 quarter of a bundred weight,

gr. 4 quarters,

1 hundred weight, cut. 20 hundred weight,

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

4. Apothccarics Weight.

1 ton,

20 grains (gr.) make 1 scruple, 3 scruples,

1 dram,

3 8 Jrams,

1 ounce, 12 cunce3,

1 pound,

16 Apothecaries us this weight in compounding their medicines.

5. Cloth Measure.

4 nails (na.) naka 1 quarter of a yard, qr. 4 quarters,

1 yard,

yd. 3 quarters,

1 EU Flemish,

E. FI 5 quarters,

i Ell English,

E. E. 6 quarters,

1 El French, E. Fr. 6. Dry Measure.

2 pints, (pt.) make

I quart,

9t. 8 quarts,

seck,

pk. 4 pecks,

1 bushel,

bu. This measure is applied to grain, bears,, dar-seed, salt, potesters, CA, &

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All brandies, spirits, mead, vinegar, oil, &c. are measured by wine measure. Note.--231 solid inches, make a gallon.

8. Long Measure.

3 barley corns (b. c.) make 1 inch, marked in. 12 inches,

1 foot,

ft. 3 feet,

1 yard,

yol 54 yards,

1 rod, pole, or perch, do 10 rods,

1 furlong,

fur. 8 furlongs,

1 mile, 3 miles,

1 league,

lea. 697 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 1 hand. In measuring depths, six feet make 1 fathom or French toise.

Distances are measured by a chain, four rads long, containing obe bundreg uks

9. Land, or Square Measure. 144 square inches make

1 square foot. 9 square feet,

1 square yard 301 square yards, or ? 2724 square feet, s

1 square rod. 40 square rods,

1 square rood. 4 square roods,

1 square acre. 640 square acres.

1 square mile 10. Solid, or. Cubic Measure. 1728 solid inches make

1 solid foot. 40 feet of round timber, or 50 feet of hewn timber,

1 ton or load. 128 solid feet or 8 feet long, 4 wide, and 4 high,

1 cord of wood All solids, or things that have length, hreadth and depth, åre 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.

11. Time.

60 seconds (S.) make 1 minute, marked S. M 60 minutes,

1 hour,

h. 24 hours,

1 day,

d. 7 days,

1 week, 4 weeks,

1 mo ith, 13 months, 1 day and 6 hours, 1 Julian year, yr. Thirty days hath September, April

, June, and November, February twenty-eight alone, all the ips' have thirty-one.

N. B. In bissextile, or leap year, February hath 29 days.

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12. Ciruular Motion. 60 seconds (") make

1 minute, 60 minutes,

1 degree, 30 degrees,

1 sign,

S. 12 signs, at 900 degrees, the whole great circle of the Zodiac.

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