New American Practical NavigatorU.S. Government Printing Office, 1821 |
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Strona 2
... EXAMPLE V. Answer in the other two , their sum 3 is the num- ber of decimals of the product . EXAMPLE II . Multiply 0.5 by 0.7 0.5 0.7 0.35 Answer . EXAMPLE III . Multiply 3.25 by .05 3.25 .05 .1625 Product . Multiply .18 by 24 . .18 24 ...
... EXAMPLE V. Answer in the other two , their sum 3 is the num- ber of decimals of the product . EXAMPLE II . Multiply 0.5 by 0.7 0.5 0.7 0.35 Answer . EXAMPLE III . Multiply 3.25 by .05 3.25 .05 .1625 Product . Multiply .18 by 24 . .18 24 ...
Strona 3
... EXAMPLE V. Divide 17.256 by 1.16 1.16 ) 17.25600 ( 14.875 116 565 464 1016 928 880 812 680 580 100 REDUCTION OF ... EXAMPLE I. Reduce to a decimal . 5 ) 1.0 .2 Answer . EXAMPLE II . Reduce 3 to a decimal . 8 ) 3.000 .375 Answer . EXAMPLE ...
... EXAMPLE V. Divide 17.256 by 1.16 1.16 ) 17.25600 ( 14.875 116 565 464 1016 928 880 812 680 580 100 REDUCTION OF ... EXAMPLE I. Reduce to a decimal . 5 ) 1.0 .2 Answer . EXAMPLE II . Reduce 3 to a decimal . 8 ) 3.000 .375 Answer . EXAMPLE ...
Strona 23
... EXAMPLE . If the diameter of a circle be 7 inches , and the circumference 22 , what is the circumference of another circle , the diameter of which is 14 inches ? Extend from 7 to 22 , that extent will reach from 14 to 44 the same way ...
... EXAMPLE . If the diameter of a circle be 7 inches , and the circumference 22 , what is the circumference of another circle , the diameter of which is 14 inches ? Extend from 7 to 22 , that extent will reach from 14 to 44 the same way ...
Strona 24
... EXAMPLE . To divide 48 by 4 - set 4 on the fixed part against 1 on the slider , then against 48 on the fixed part will be found 12 on the slider . Examples in the Rule of Three . If a ship sail 25 miles in 4 hours , how many miles will ...
... EXAMPLE . To divide 48 by 4 - set 4 on the fixed part against 1 on the slider , then against 48 on the fixed part will be found 12 on the slider . Examples in the Rule of Three . If a ship sail 25 miles in 4 hours , how many miles will ...
Strona 25
... EXAMPLE 1. Given the course sailed 1 point , and the distance 85 miles-- required the difference of Latitude and Departure ? By Case 1st of Plane Sailing , we have these canons : Radius ( 8 points ) : Distance ( 85 ) :: Sine . Co ...
... EXAMPLE 1. Given the course sailed 1 point , and the distance 85 miles-- required the difference of Latitude and Departure ? By Case 1st of Plane Sailing , we have these canons : Radius ( 8 points ) : Distance ( 85 ) :: Sine . Co ...
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Kluczowe wyrazy i wyrażenia
2Cor a-back a-head a-lee Aldebaran anchor angle apparent altitude arch azimuth bearing and distance brace cable calculated Cape centre Co-secant Co-sine Co-tang column compass Corr correction corresponding course and distance degrees Degs Diff difference of latitude difference of longitude Dist equal error EXAMPLE feet Funchal given Greenwich haul head sails heave horizon glass HourA.M larboard Latitude and Departure lee-way line of numbers logarithm mast mean meridian meridian altitude method middle latitude miles mizen moon moon's multiplied N.sine Nautical Almanac nearly noon observed altitude parallax parallel perpendicular plane Plane Sailing radius refraction rope rule sails sea account Secant semi-diameter sextant ship ship's side sine square star star's staysail subtracted sun's declination sun's right ascension tack taken Tangent tide topsails TRAVERSE TABLE triangle true distance tude variation veer wind windward zenith distance
Popularne fragmenty
Strona 2 - In any triangle, the sum of the three angles is equal to two right angles, or 180°.
Strona 104 - ... or taking their difference when of contrary names ; the altitude to be reckoned from the south point of the horizon, when the latitude is north, and the contrary when south ; but when the sum exceeds 90°, it is to be taken from 180°...
Strona 166 - To find the solidity of a pyramid and of a cone. RULE. — Multiply the area of the base by one third of its altitude, and the product will be its solidity.
Strona 185 - The cause of the. tides is the unequal attraction of the sun and moon upon different parts of the earth. . For they attract the parts of the earth's surface nearest to them, with a greater force than they do its centre : and attract the centre more than they do the opposite surface. To restore this equilibrium the waters take a spheroidal figure, whose longer axis is directed towards the attracting luminary.
Strona 24 - To find the logarithm of a vulgar fraction. RULE. Subtract the logarithm of the denominator from the logarithm of the numerator...
Strona 186 - ... the miles the current sets per hour, and the bearing of the log will show the set of it. There is a very remarkable current, called the GULF STREAM, which sets in a north-east direction along the coast of America, * From Nathaniel Bowditch, THE NEW AMERICAN PRACTICAL NAVIGATOR, E.
Strona 9 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Strona 292 - In spherical triangles, whether right angled or oblique angled, the sines of the sides are proportional to the sines of the angles opposite to them.
Strona 167 - If the vessel be double-decked, take the length thereof from the fore part of the main stem, to the after part of the stern post, above the upper deck ; the breadth thereof at the broadest part above the main wales...