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BOOK RECOMMENDED FOR ARCHITECTS
AND BUILDERS.

OUVRAGES RECOMMANDES POUR L'USAGE DES ARCHITECTES ET ENTREPRENEURS.

USEFUL INFORMATION FOR BUSINESS MEN, MECHANICS AND ENGINEERS, compiled by C. C. Briggs, M. E. and pubblished by Jones & Laughlin Steel Co., Pittsburg, Pa., U. S. ELECTRICAL TABLES AND MEMORANDA, by S.P. Thompson, D. S. C., B. A., F. R. S., and E. Thomas; published by E. & F. N Spon, London, England.

SPON'S TABLES AND MEMORANDA FOR ENGINEERS, by J. T. Hurst, M. Sec. Eng., etc., published by E. & F. N. Spon, London, England.

MEMORIAL TECHNIQUE UNIVERSAL, par L. Mazzocchi, publié par la Librairic, H. Le Soudier Paris, France.

MOLESWORTH'S POCKET BOOK OF ENGINEERING FORMULAE, by Sir Guilford L. Molesworth and H. B. Molesworth, published by E. & F. N. Spon, London, England.

THE "PRACTICAL ENGINEER" POCKET BOOK, published
by Technical Publishing Co., Ltd., Manchester, England.
THE ARCHITECTS' AND BUILDERS' POCKET BOOK, by
Frank E. Kidder, C. E., Ph. D., F. A .L.A., etc., published by John
Wiley & Sons, New York.

POCKET COMPANION, published by Carnegie Steel Company,
Pittsburg, Pa., U. S.

HAND BOOK OF THE NATIONAL FIRE PROOFING COMPANY of Pittsburg, Pa., U. S.

STEEL IN CONSTRUCTION, published by The Pencoyd Iron Works, Philadelphia, Pa., U. S.

CAMBRIA'S HAND BOOK OF INFORMATION, published by the Cambria Steel Company, Philadelphia, Pa., U. S.

MECHANIC'S POCKET MEMORANDA, published by the International Correspondence School, Scranton, Pa., U. S.

THE BUILDINĠ TRADES POCKET BOOK, published by the
International Correspondence School, Scranton, Pa., U. S.
BUILDING INSPECTORS' HAND BOOK, 1902,
Chausse, published by the Author, Montreal.

by Alcide

CODE, CIVIL DE LA PROVINCE DE QUEBEC, par Léon Lorrain, publié par A. Périard, Montréal.

MANUEL DE L'INSPECTEUR DES BATIMENTS, 1902, par Alcide Chaussé, Architecte, Montreal.

LES LOIS DES BATIMENTS SUIVANT LA COUTUME DE PARIS (1748) par M. Desgodets, Architecte du Roy.

LE MANUEL FORMULAIRE PRATIQUE, par A. Bonin, I. M. publié par C. O. Beauchemin & Fils, Montreal.

GUIDE PRATIQUE DU CONSTRUCTEUR, par L. T.Pernot, Camille Tronquoy et Ch. Baye, publié par J. Hetzel & Cie,. Paris, France.

MEMENTO DE L'ARCHITECTE ET DE L'ENTREPRENEUR, par L. A Barré, Ingenieur et Paul Barré, fils republié par la Librairie E. Bernard & Cie., Paris, France.

CODE OF BUILDING LAWS OF MONTREAL, 1905, by Alcide Chausse, Architect, etc., Montreal.

CODE DES LOIS DU BATIMENT DE MONTREAL, 1905 par Alcide Chaussé, Architecte, etc., Montreal.

MANUEL DES LOIS DU BATIMENT, Montreal, 1906, par Alcide Chaussé, Architecte et Inspecteur des Batiments, etc., Montreal. HAND BOOK OF BUILDING LAWS, MONTREAL, 1906, by Alcide Chaussé, Architect, Inspector of Buildings, etc., Montreal. THE CIVIL ENGINEER'S POCKET- BOOK by John C. Trautwine, C. E., John C. Trautwine, Jr., and John C. Trautwine, 3rd. C. E., published by John Wiley & Sons, New York.

HANDBOOK FOR ARCHITECTS, BUILDERS AND BUILDING INSPECTORS by H.S.Richey, published by John Wiley & Sons, New York.

MECHANIC AND ENGINEERS' POCKET BOOK OF TABLES, RULES AND FORMULAS, by Chas. H. Haswell, C.E. etc. published by Harper & Brothers, New York.

AIDE-MEMOIRE DE L'INGENIEUR, par Philippe Huguenin, publié par Baudry & Cie., Paris.

HAND-BOOK FOR CEMENT USERS, by C. C. Brown M. Am. Soc. C F., published by Municipal Engineering Company, Indianapolis, Ind.

TREATISE ON CONCRETE, PLAIN AND REINFORCED, by F. W. Taylor, M. E., and S. F. Thompson, S. B., C. E. published by John Wiley & Sons, New York.

INSPECTORS POCKET BOOK, by Austin T. Byrne, C E., published by John Wiley & Sons, New York.

HAND-BOOK OF COST DATA FOR ENGINEERS AND CONTRACTORS, by Halbert P. Gillette, C. E., published by Myron C. Clark, New York

CANADIAN CONTRACTOR'S HAND-BOOK AND ESTIMATOR published by C. H. Mortimer Pub. Co, Toronto, Ont.

TENACITY OF IRON BOLTS IN WOOD.

Diameter, 1,125 ins. and 12 ins. in length; required for Hemlock 8 tons and for Pine 6 tons to withdraw them.

RETAINING WALLS OF IRON PILES.

PILES.-7 feet from centres, 18 ins. in width, and 2 ins in thickness strengthened with 2 RIBS 8 ins in. depth.

PLATES.-7 feet in lenght by 5 feet in width and 1 in. in thickness with diagonal feather 1 by 6 ins.

TIE-RODS 2 ins. in diameter.

INTERCEPTION OF LIGHT BY GLASS

Polished plate .25 in. thick, 13 per cent.; rough cast, 30; polished plate, rolled, 4 flutes per inch, 53; and sheet glass 32 or 22.

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Brickwork is generally measured by the one thousand bricks, laid in the wall, and sometimes by the cubic foot. In estimating by the one thousand, the contractor figures on what the bricks will cost delivered at the site of the building, and adds to this the cost of laying in the wall, including the cost of the mortar.

The general custom in measuring the exterior brick walls of buildings is to compute the total number of brick in the wall, and then the number of face or outside brick that will be required. The difference will be the number of common brick. The outside brick generally cost more than those used for the interior, have to be culled, and the labor in laying costs more.

In measuring brick work, it is customary to deduct all openings for doors, windows, archways, etc.; but not for small flues, ends of joists, boxes of window frames, sills, or lintels, etc., on acco int of the wastage of material in clipping around or filling such parts of the work, and the increased amount of time required.

There are different methods of computing the number of brick in any given quantity of work. Some contractors will compute the total number of cubic feet of brickwork in the building, and multiply by the number of brick contained in a cubic foot, allowing for wastage, etc. This is probably as accurate a method as can be followed. The larger number of masons, however, compute the superficial area of the walls, and multiply by the number of brick in the wall to one square foot of surface; the number, of course, depending upon the thickness of the wall.

In the Province of Quebec the following scale will be a fair aver

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And seven bricks additional for each half-brick added to thickness. The following table shows the number of bricks in any given wall, from 4 inches to 40 inches in thickness, and for from 6 inches to 1000 superficial feet.

TABLE SHOWING NUMBER OF BRICKS IN WALLS OF VARIOUS THICKNESSES.

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50.0 350

790

1050

60.0 420 840

1260

70.0 490

980 1470 80.0 560 1120 1680 90.0 630 1260 1890 100.0 700 1400 2100 200.0 1400 2800 4200 300.0 2100 4200 6300 400.0 2800 5600 8400

500.0 3500 7000

10500

600.0 4200 8400

12600

700.0 4900 9800

14700

800.0 5600 11200

2100 2450 2100 2520 2940 1960 2450 2940 3430 2240 2800 3360 3920 2520 3150 3780 4410 2800 3500 4200 4900 5600 7000 8400 9800 8400 10500 12600 14700 11200 14000 16800 19600 14000 17500 21000 24500 16800 21000 25200 29400 19600 124500 29400 134300 16800 122400 28000 33600 39200 900.0 6300 12600 18900 25200 31500 1000'0 7000 14000 21000 28000 35000

1400

1750

2800 3150 3500

1680

3360 3780 4200

3920 4410 4900

4480 5040 5600

5040 5670 6300

5600 6300 7000

11200 12600 14000 16800 18900 21000 22400 25200 28000 28000 31500 35000

33600 37800 42000

39200 44100 49000

44800 50400 56000

37800 44100

50400 56700 63000

42000 49000

56000 63000 70000

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SIZES OF CHIMNEYS WITH APPROPRIATE

HORSE-POWER OF BOILERS

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2449 54 58 62
2765 72 78 83
30 84 92 100 107 113
115 125 133 141
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33

36

183 196 208 219

216 231 245 258 271

ft. ft. ft.

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39

42

48

54

60

66

72

78

84

90

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311 330 348 365 389

427 449 472 503 551

32

5.47 7.07

35

6.57 8.30

38 7.76 9.62

43 10.44 12.57 48 13.51 15.90

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