The Complete Mathematical and General Navigation Tables: Including Every Table Required with the Nautical Almanc in Finding the Latitude and Longitude: with an Explanation of Their Construction, Use, and Application to Navigation and Nautical Astronomy, Trigonometry, Dialling, Gunnery, EtcSimpkin, Marshall, & Company, 1838 |
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Σελίδα vii
... corresponding to the mean second difference of the moon's place in longitude , latitude , right ascension , or declination : this table , besides being newly - arranged , will be found more extensive than those under a similar ...
... corresponding to the mean second difference of the moon's place in longitude , latitude , right ascension , or declination : this table , besides being newly - arranged , will be found more extensive than those under a similar ...
Σελίδα 1
... corresponding time , either in hours , minutes , seconds , or thirds . The proper signs , for degrees and time , are ... corresponding time will be either in hours or minutes ; if it be expressed in minutes , the corre- sponding time ...
... corresponding time , either in hours , minutes , seconds , or thirds . The proper signs , for degrees and time , are ... corresponding time will be either in hours or minutes ; if it be expressed in minutes , the corre- sponding time ...
Σελίδα 2
... corresponding to the given time 8 : 5228 !? 8 hours , longitude answering to which in the Table is 120 : 0 : 0 ? . 52 minutes , answering to which is · • . 28 seconds , answering to which is 13.0.0 0.0.7 Time 8 : 5228 , the longitude ...
... corresponding to the given time 8 : 5228 !? 8 hours , longitude answering to which in the Table is 120 : 0 : 0 ? . 52 minutes , answering to which is · • . 28 seconds , answering to which is 13.0.0 0.0.7 Time 8 : 5228 , the longitude ...
Σελίδα 3
... corresponding to 36:44:32 ? Example 2 . Required the degrees correspond- ing to 34548 : 20 :? 4 Given degrees = 36:44:32 ′′ Multiplied by Corresponding time 2:26 " 58 : 8 : Given time = 3 : 45 48:20 : 60 Divide by 4 ) 225.48.20 ...
... corresponding to 36:44:32 ? Example 2 . Required the degrees correspond- ing to 34548 : 20 :? 4 Given degrees = 36:44:32 ′′ Multiplied by Corresponding time 2:26 " 58 : 8 : Given time = 3 : 45 48:20 : 60 Divide by 4 ) 225.48.20 ...
Σελίδα 7
... corresponding horizontal dip As distance 1 mile , or 5280 feet , Logarithm Ar . Comp . · Is to radius So is height of the eye To Angle 6. 277366 90 ° , Logarithmic Sine . 10.000000 25 feet , Logarithm Deduct one - tenth for terrestrial ...
... corresponding horizontal dip As distance 1 mile , or 5280 feet , Logarithm Ar . Comp . · Is to radius So is height of the eye To Angle 6. 277366 90 ° , Logarithmic Sine . 10.000000 25 feet , Logarithm Deduct one - tenth for terrestrial ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
90 degrees add the log angle of meeting answering approximate auxiliary angle celestial object co-secant co-sine co-tangent co-versed sine comp computed Constant log Corr correction course and distance decimal fraction departure Diff difference of latitude difference of longitude distance sailed earth equal equator Example find the Angle find the Difference fixed star given angle Given arch given log given side hence hypothenuse A C leg AC mean solar merid meridian meridional difference middle latitude miles minutes moon's apparent altitude moon's horizontal parallax multiplied natural number natural sine natural versed sine Nautical Almanac noon observation perpendicular B C plane PROBLEM prop proportional log quadrant radius reduced refraction right angled right ascension right-hand rising and setting secant semidiameter ship side A B side BC sidereal day spherical distance spherical triangle star's subtracted Table tabular tangent trigonometry true altitude tude versed sine supplement
Δημοφιλή αποσπάσματα
Σελίδα 59 - Also, between the mean, thus found, .and the nearest extreme, find another geometrical mean, in the same manner ; and so on, till you are arrived within the proposed limit of the number whose logarithm is sought.
Σελίδα 206 - For the purpose of measuring angles, the circumference is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts called seconds.
Σελίδα 258 - If two triangles have two angles of the one equal to two angles...
Σελίδα 59 - ... progression, to which those indices belong. Thus, the indices 2 and 3, being added together, make 5 ; and the numbers 4 and 8, or the terms corresponding to those indices, being multiplied together, make 32, which is the number answering to the index 5.
Σελίδα 59 - And, if the logarithm of any number be divided by the index of its root, the quotient will be equal to the logarithm of that root. Thus the index or logarithm of 64 is 6 ; and, if this number be divided by 2, the quotient will be = 3, which is the logarithm of 8, or the square root of 64.
Σελίδα 152 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.
Σελίδα 153 - When there happens to be a remainder after the division ; or when the decimal places in the divisor are more than those in the dividend ; then ciphers may be annexed to the dividend, and the quotient carried on as far as required.
Σελίδα 154 - REDUCTION OF DECIMALS. CASE I. . To reduce a Vulgar Fraction to a Decimal Fraction of equal value.
Σελίδα 177 - II. The sine of the middle part is equal to the product of the cosines of the opposite parts.
Σελίδα 243 - II. the difference of latitude and departure corresponding to each course and distance, and set them in their respective columns : then the difference between the sums of the northings and southings will be the difference of latitude made good, of the same name with the greater ; and the difference between the sums of the eastings and westings will be the departure made good, of the same name with the greater quantity.