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Caffia Lignea

20

20

WEIGHABLE GOODS.
Cwt. to

Cwt. t the Ton.

the Ton. Arrangoes

20 Mother-of-Pearl Shells 20 Aloes 16 | Nux Vomica

15 Benjamin 20 Pepper

16 Borax 20 Quicksilver

30 Cardemoms, Fine goods 12

Rhubarb

8 Cakelack

16 | Raw Silk Carmenia Wool 10 Ditto in chests

8 Cambogium

20 Ditto in bales or bundles

8 Redwood Cassia Buds

12 Rice Camphire

15
Shellack

16 Cotton Yarn, Fine Goods 10

Seedlack

18 Cowries Gruff ditto 20

Stick lack

16 Coffee Fine ditto 18 Salt petre Cinnabar 10 Senna

8 Cloves 12 Sago

16 Dragon's Blood

20 Ditto packed in China ware Gum Arabic

16 Tutenague
Elemi
16 Turmeric

16
Ammoniacum
16 | Tincal

16 Opoponax 16 | Tea, Green

8 Sagapenum

18

Bohea
Sarcocol

Arrack Gauge gallons 281 Indigo

Canes Iron Kintlage 20 Wang hees and Bamboes

3000 Musk

20
Rattans equal to 16 cwt.

6000 Myrrh

16

20

20

10

18

I 2

Tale 300

AMERICAN DUTIES

Are calculated as in the following Examples.

1. What is the duty on 2885 gallons of molasses, at 5 cents per gallon?

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2. What is the duty on the above molaires, if imported in a foreign vellel, the rate being 51 cents per gallon, or 10 per cent. more than an American velTel?

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3. How much is the duty on 3720 gallons of gin, at 3110 cents per gallon ?

3720

3720 3118

9

3720 10)33480 11160

3348

3348

dolls. 1186,68

Ans.1 186 dolls. 68 cts.

dols. cts. Ans. 38 19

80 43

f. 1273 lb. chocolate at 3 cents
5. 965 lb. do. in a foreign vessel at 3 is do.

31 841 6. 1149. Ib. cheese at 7 ditto 7. 1295 lb. do. in a foreign vessel at 7 to do.

99 711 8. 1879 gals. Champaign wine at 45 do.

845 55 g. 2675 gals. London particular Madeira at 58 do. 1551 50

Вь

10. What is the duty on 53 cwt. 2 qrs. 21 lb. of untarred Cor. dage, at 225 cents per cwt. ?

225

53 675 1125

1121 14

28

14
120,791 Ans. 120 dols. 791 cts.

2 qrs.

ماه - ه دانه

7 do.

11.

12.

What is the duty on the above cordage in a foreign vessel, at 2472 cts. per cwt. ?

Anf. 132 dols. 874 cts. How much is the duty on 4 hhds. of brown sugar, wt. gross 38 cwt. 3 qrs. 19 lb. tare 12 lb. per 100, at 2į cents per Ib. ?

3800
456 = excess 12 per cent.
84
19

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13. What is the duty on this sugar, in a foreign vessel, at 11 cts. per lb. ?

Anf. 105 dols. 49 cts.

The mode of estimating ad valorem rates of duty. The ad valorem rates of duty, upon goods, wares and merchandizes, at the place of importation, shall be estimated by adding 20 per cent. to the actual cost thereof, if imported from the Cape of Good Hope, or from any other place beyond the fame, and ten per cent, on the actual cost thereof, if imported from any other place or country, including all charges ; commissions, outside packages and insurance excepted.—(See laws of the United States.)

EXAMPLES. I. What is the duty on an invoice of silver and plated ware imported from London, the cost, exclusive of commissions, &c. being £ •359 18 4, at 15 per cent. ad valorem ?

359
444 cents per £. fter,
1436

1436 1436

JOS.

222

III

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74

actual cost 159803 cents. 10 per cent. added 15980

175783 10 is

17578
5 j

8789
for 15 per cent. 263:67 cents.

Ans. 263 dols. 67 cents. 2. What will it amount to in a foreign vessel, at 164 per cent. ad valorem ?

Ans.

290

dols.

4 cts.

The rates at which all foreign coins and currencies are estimated at the Custom-Houses of the United States.

Dols. Cts. Each pound sterling of Great-Britain, at

4 44 Each pound sterling of Ireland

4 IO Each livre tournois of France

181 Each florin or gilder of the United Netherlands

40 Each mark banco of Hamburgh

33
Each rix dollar of Denmark
Each rial of plate of Spain
Each rial of vellon of Spain

5 Each milree of Portugal

24 Each tale of China

48 Each pagoda of India Each rupee of Bengal

55

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10

94

PROGRESSION
Consists in two parts--- ARITHMETICAL and GEOMETRICAL.

ARITHMETICAL PROGRESSION Is when a rank of numbers increase or decrease regularly, by the continual adding or subtracting of some equal number : As 1, 2, 3, 4, 5, 6, are in Arithmetical Progression by the continual increasing or adding of one, and 11,9,7, 5, 3, 1, by the continual decrease or subtraction of two.

Nore. When any even number of terms differ by Arithmetical Progression, the sum of the two extremes will be equal to the two middle numbers, or any two means equally distant from the extremes : As 2, 4, 6, 8, 10, 12, where 6+8, the two middle numbers are = 12+2, the two estremes, and = 10+4 the two means = 14.

Woen the number of terms are odd, the double of the middle terin will be equal to the two extremes, or of any two means equally distant from the middle term : As 1, 2, 3, 4, 5, where the double of 3=5+1=2+4=6. In Arithmetical Progression five things are to be observed, viz.

The first term.

The last term.
3.

The numb'r of terms.
4. The equal difference.
5.

The surn of all the terms.
Any three of which being given, the other two may be found,

I.

2.

The first, fecond and third term given to find the fifth. RULE. Multiply the sum of the two extremes by half the number of terms, or multiply half the sum of the two extremes by the whole number of terms, the product is the total of all the terms.

How many

2.

EXAMPLES

strokes does the hammer of a clock Atrike in 12 hours ?

12+1=13 then 13 X6=78 Ans. A man buys 17 yards of cloth, and gave for the first yard 25. and for last 10s. what did the 17 yards amount to ?

Anf. £.5 25. 3. If 100 eggs were placed in a right line, exactly a yard asunder' from one another, and the first a yard from a basket, what length of ground does that man go who gathers up these 100 eggs singly, returning with every egg to the baiket to put it in ?

Anl. 5 miles, 1300 yards,

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