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METRIC SYSTEM.

EQUIVALENTS IN U. S. AND IMPERIAL MEASURES.

Metric Denominat'ns. Cubic Measure. Dry Measure. Wine Measure.

105

Imp. Measure.

1 Myrialiter 10 Cubic Meters =283.72+bu.=2641.4+gal.=2200.96711gal. 1 Kiloliter = 1 Cubic Meter =28.372+bu.=264.17 gal. = 220.09671gal. 1 Hectoliter=Cubic Meter =2.8372+bu.=26.417 gal. = 22.00967gal. 1 Dekaliter =10 Cu.Decimet'r=9.08 qts. =2.6417 gal. = 1 Liter = 1 Cu.Decimet'r=.908 quart=1.0567 qt. 1 Deciliter Cu.Decimet'r=6.1022 c.in=.845 gill

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2.20096gal. 7.0430 gills .7043 gill.

1 Centiliter =10 Cu. C'ntim't'r=.6102cu.in=.338 fi'd oz. = 1 Milliliter 1 Cu. C'ntim't'r=.061 cu. in=.27 fl'd dr. =

.0704 gill.

MEASURES OF WEIGHT.

.0070 gill.

The Gram is the unit of weight, and equal to the weight of a cube of distilled water, the edge of which is one hundredth of a meter, equal to 15.432 Troy grains.

The Kilogram, or Kilo, is the unit of common weight in trade, and is a trifle less than 2 lbs. Avoirdupois.

The Tonneau is used for weighing very heavy articles, and is about 204 lbs. more than a common ton.

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MARKING GOODS.

Removing the decimal point one place to the left on the cost of a dozen articles, gives the cost of one article with 20 per cent. added. We remove the point one place to the left, because 12 tens make 120. Hence, to find the selling price, to gain the required percentage of profit, we have the following general rule:

RULE.—Remove the decimal point one place to the left on the cost per dozen, to gain 20 per cent.; increase or diminish to find the percentage, as per following table:

TABLE FOR MARKING ALL GOODS BOUGHT BY THE DOZEN.

To make 20% remove the point 1 place to left.

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1,209,561

847,452

556,930

503,298

POPULATION OF CITIES.

POPULATION OF CITIES.

107

Table showing the Population of the principal Cities and
Towns of the United States as shown by Census of 1880.

New York..

Philadelphia, Pa.

Brooklyn, N. Y.

Chicago, Ill.

Portland, Me.

33,829

Dallas, Tex..

33,486

Springfield, Mass...

33,149

Savannah, Ga...

32,916

St. Louis, Mo.

375,000

Manchester, N. H..

32,458

Boston, Mass.

363,938

Grand Rapids, Mich...

32,037

Baltimore, Md.

330,000

Peoria, Ill..

31,789

Cincinnati, O..

255,809

Mobile, Ala..

31,295

San Francisco, Cal....

233,066

Wheeling, W. Va.

31,186

New Orleans, La..

215,239

Harrisburg, Pa.

30,728

Washington, D. C....

161,111

Omaha, Neb..

30,642

Cleveland, O...

159,504

Trenton, N. J..

29,938

Pittsburgh, Pa.

153,883

Evansville, Ind.

29,366

Buffalo, N. Y.

149,500

Erie, Pa...

28,346

Newark, N. J..

137,162

Quincy, Ill..

27,428

Louisville, Ky.

126,566

Salem, Mass.

27.347

Jersey City, Ñ. J.

122,207

Terre Haute, Ind.

26,522

Milwaukee, Wis.

115,712

Lancaster, Pa.....

25,846

Detroit, Mich.

115,007

Leadville, Colo....

15,000

Providence, R. I...

104,760

Sacramento, Cal..

25,000

Albany, N. Y.

87,584

Des Moines, Iowa

22,900

Rochester, N. Y.

78,087

Galveston, Texas.

22,308

Allegheny City, Pa.

78,472

Dubuque, Iowa.

22,276

Indianapolis, Ind.

76,200

Holyoke, Mass...

24,926

Richmond, Va..

63,243

Davenport, Iowa...

21,812

New Haven, Ct...

62,861

Portland, Oregon.

21,000

Lowell, Mass.

59,340

Springfield, Ohio

20,727

Worcester, Mass..

58,040

Elmira, N. Y...

20,646

Troy, N. Y.

57,000

San Antonio, Texas...

20,594

Kansas City, Mo..

56,964

Springfield, Ill.

19,500

Toledo, O...

53,635

Leavenworth, Ks..

18,800

Cambridge, Mass.

52,860

Burlington, Iowa..

19,000

Syracuse, N. Y..

52,158

Council Bluffs, Iowa.

18,400

Columbus, O...

51,650

Bloomington, Ill..

17,700

Paterson, N. J.

50,950

Houston, Texas..

16,632

Denver, Col..

35,718

Akron, O.

16,462

Charleston, S. C..

49,027

Jackson, Mich.

16,121

Fall River, Mass.

48,909

Binghamton

16,000

Minneapolis, Minn.

48,323

Oshkosh, Wis..

15,753

Scranton, Pa...

45,925

Newport, R. I..

15,698

Atlanta, Ga....

45,000

Topeka, Kan...

15,433

Nashville. Tenn.

43,543

Atchison, Kan.

15,130

Reading, Pa..

43,230

Little Rock, Ark.

15,000

Hartford, Conn.

42,560

La Crosse, Wis..

14,470

Wilmington, Del...

42,000

Knoxville, Tenn.

13.928

St. Paul, Minn.

41,639

Rock Island, Ill...

13.699

Lawrence, Mass.

39,068

Lincoln, Neb..

13,697

Dayton, Ohio..

38,751

San Jose, Cal...

12,615

Lynn, Mass..

38,376

Cedar Rapids, Ia..

12,500

Memphis, Tenn..

35,000

Keokuk, fa..

12.176

St. Joseph, Mo...

35,000

Kalamazoo, Mich..

12,078

Oakland, Cal..

34,700

Pueblo, Colo.

7,000

Utica, N. Y.

33,927

MÉTHODE DE CALCUL POUR L'ESPACE DE TRENTE
SIÈCLES.

RÈGLE.-Des deux derniers chiffres de l'an, rejetez
tous les sept, tout en retenant le restant; divisez
les deux derniers chiffres de l'an par quatre, re-
tenant le quotient, sans tenir compte du restant,
s'il y en a ;--puis prenez le jour du mois, ensuite
le chiffre donné pour le mois, et finalement celui
pour le siècle. Ayez toujours soin de rejeter les

sept où il y en a.

Le chiffre 1 (un) restant représente le premier;
2, le second; &c., et O (zéro) le dernier jour de la

semaine.

TABLE DES CHIFFRES POUR LES MOIS.

6, Fév., Mars, Nov. 0, Juin.

NOTA. Dans l'année bissextile le chiffre pour Janvier est 2, et celui

pour Février 5.

TABLE DES CHIFFRES POUR LES SIÈCLES.

1, est le chiffre pour les 2ème, 9ème, et 16ème, siècles.

[siècles.
ler, 8ème, 15ème, 18ème, 22ème, 26ème, 30ème,
"7ème, 14ème siècles.
[siècles.
"6ème, 13ème, 17ème, 21ème, 25ème, 29ème,
5ème, 12ème, 20ème, 24ème, 28ème, siècles.
"4ème, 11ème siècles.

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5+3-7-1

Après avoir rejeté tous les sept il reste le chiffre 1;
ce fut donc, le premier jour de la semaine, Dimanche.

N. B.-Les siècles pairs non-divisibles par le chiffre 400 ne sont par
des années bissextiles.

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Mehtode zu sagen den Tag in der Woche nach jedem Datum von Chrifti Geburt dreitausend Jahr.

Methode.-Streich die Sieben aus von die beiden legten Nummern auf das Jahr, der Minuent von den beiden legten Nummern im Jahre, dividirt bei viergebrauche nicht den Rest-den Datum auf den Monat, und die Figur auf das Jahr. Was überbleibt ist der Tag in der Woche, der erste Sonntag, der zweite Montag u. s. w.

Die Figuren vor die Mona te.

1 vor Sept. u. Decbr. 3 vor Jan. u. Oct. 5 vor August. vor April und Juli. 4 vor Mai.

2

Der Datum im

O vor Juni.

6 vor Feb., März, Nov. Januar und Februar ist ein weniger im Schaltjahr. Datum auf die Jahre.

1, ist die Figur vor das 2te, 9te und 16te Jahrhundert.

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1te, Ste, 15te, 18te, 22te, 26te und 30te Jahrhundert.
7te, 14te Jahrhundert.

6te, 13te, 17te, 21te, 25te, 29te Jahrhundert.
5te, 12te, 20te, 24te, und 28te Jahrhundert.
4tc nnd 11 Jahrhundert.

3te, 10te, 19te, 23te und 27te Jahrhundert.

Exempel.-Welcher Tag in der Woche war der 31.

August, 1873?

Antwort, Sonntag.

Die lezten beiden Figuren im Jahre, 73-70-3

Minuent auf do. bei vier,

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Der Rest 1 zeigt Euch den ersten Tag welcher ist Sonntag.

1

in der Woche,

To find the figure for any Century from the 1st to the 16tn, mul. tiply the figures expressing the hundreds in the given year by 6, add 2, and divide by 7; the remainder is the figure for the Century.

To find the figure for the 17th and succeeding Centuries, subtract 16 from the number of hundreds in the given year, multiply by 5 to the product-less the fraction-add 4, and divide by 7; the remainder is the figure for the Century.

NOTE-Between the Julian and the Augustan Calendars there was a difference of ten days in 1583 and of eleven days in 1753. At the present time the difference is twelve days. The latter came into use in Catholic countries in 1588 and in England in 1753.

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