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Single-masted Vessels and Yawls.

100 feet, rating measurement.

Class F. All over

Class G. Not over 100 feet and over 80 feet, rating measurement. Class H. Not over 80 feet and over 64 feet, rating measurement.

Class I. Not over 64 feet and over 51 feet, rating measurement.

Class J. Not over 51 feet and over 40 feet, rating measurement.

Class K. 40 feet and under, rating measurement.

Sails. — Yachts in races may carry the following sails:—

Schooners. Mainsail, foresail, fore staysail, jib, flying-jib, jib-topsail, fore and main gaff topsail, maintopmast staysail, and spinnaker.

Sloops and Cutters. Mainsail, fore staysail, jib, flyingjib, jib-topsail, gaff topsail, and spinnaker.

Yawls. - Same as sloops and cutters, with mizen and mizenstay sail.

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Balloon Sails. Yachts may set light sails over working sails.

Boats and Life-Buoys. — All yachts shall carry at least two serviceable life-buoys on deck ready for use.

Classes A and B of schooners, and F and G of single-masted vessels and yawls, shall carry on deck a serviceable round-bottom boat, not less than 14 feet in length; and classes C and D of schooners, and H and I of single-masted vessels and yawls, a boat as above, not less than 12 feet in length; and in classes E of schooners, and J and K of single-masted vessels and yawls, a boat as above, not less than 10 feet in length. All boats to have oars and rowlocks or tholepins lashed in.

All

Bulkheads, Ballast, etc. - Floors must be left down and bulkheads and doors left standing; water-tanks kept in place, and at least one bower anchor and cable kept on board. yachts, except in classes A of schooners and G of single-masted vessels and yawls, shall keep their galley fixtures and fittings on board and in their proper places. Trimming by dead-weight shall not be allowed after the preparatory signal. Neither ballast nor water shall be taken in or discharged after 9 P.M. of the day before a race, but the above restriction may be waived as to water, only by permission.

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Crew. The number of men permitted on a yacht during a race shall not exceed that given by the following table:

Classes A and F. One man for every 250 square feet of sail area, or fraction thereof.

Classes B, C, D, E, G, H, I, J, and K. One man for every 300 square feet of sail area, or fraction thereof.

BUILDERS' OLD MEASUREMENT TONNAGE.

This tonnage, commonly called B. O. M., is still much in Vogue with yacht builders, but obsolete otherwise.

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where L is the length of vessel measured along top of keel from after side of stern post, to the intersection of a perpendicular with the fore part of stem under the bowsprit, and B is the extreme breadth to outside of planking, exclusive of doublings.

THAMES MEASUREMENT TONNAGE.

This rule was formulated by the Royal Thames Yacht Club, and is much used for the measurement of yachts.

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where L is the length measured in a straight line at the deck from the fore part of stem to the after part of stern post, and B is the extreme breadth to outside of planking.

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Antimony

Anthracite coal, broken, cubic foot averages.
A ton, loose, occupies 40-43 cubic feet.

Apple wood

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Bitumastic solution per gallon

B.

Bituminous coal, broken, cubic foot averages

A ton, loose, occupies 43-48 cubic feet.

Box wood

Brick, best pressed

Brick, common hard.

Brick, soft inferior

Brickwork, pressed brick

Brickwork,. ordinary

Brass, common

Brass, wire .

Bronze

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POUNDS

44.4

34.6

160

168

478

107

417

54

49.5

0.08

39

156

65

38

170

456

43.8

502.5

33

608

9

49

62.5

150

125

100

140

112

525-530

533

544

NAME OF SUBSTANCES.

POUNDS.

C.

Cedar, American red

Camphor

Cedar, white

Cement, hydraulic, ground, loose, American.

Cement, hydraulic, ground, loose, English, Portland
Cement and sand (3 to 1)

Cement, hydraulic, Louisville, bushel

Cement, hydraulic, Portland, bushel
Cement, Roman

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Earth, common loam, dry, loose.

Earth, common loam, dry, moderately rammed.

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76

95

79.4

43.4

35

251

45

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Lime, quick, ground, loose, or in small lumps
Lime, quick, ground, loose, thoroughly shaken
Lime, quick, ground, loose, struck bushel
Limestones .

57.4

31.0

42.1

708.5

711.5

83.2

53

75

66

168

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