The American Practical Lunarian: And Seaman's Guide ... To which are Annexed, a Compendium of Marine Law, and Mercantile Regulations and Customs; Being a Correct and Useful Guide to All Men in Business ... Marine Insurance Laws ... Commercial FormsR. Desilver, 1822 - 915 pages |
From inside the book
Results 1-5 of 99
Page 7
... less the parallax , the sun's parallax is very small ; his greatest , that is when in the horizon , being only nine seconds ; and his refraction greater , the difference between the refraction and parallax will be the correction of the ...
... less the parallax , the sun's parallax is very small ; his greatest , that is when in the horizon , being only nine seconds ; and his refraction greater , the difference between the refraction and parallax will be the correction of the ...
Page 16
... less than on the extra arch , the arch measures too little , and the half dif- ference must be added to the observed distance . If both the diameters should be taken on either the arch or the extra arch , the half sum will be the index ...
... less than on the extra arch , the arch measures too little , and the half dif- ference must be added to the observed distance . If both the diameters should be taken on either the arch or the extra arch , the half sum will be the index ...
Page 20
... less proper allowance is made ; therefore , your observation will be erroneous . It is really astonishing to me that some , who imagine they understand the lunar method of getting the longi- tude , omit entirely the index error ; and it ...
... less proper allowance is made ; therefore , your observation will be erroneous . It is really astonishing to me that some , who imagine they understand the lunar method of getting the longi- tude , omit entirely the index error ; and it ...
Page 24
... less than eight or ten degrees high . But if observations should be made both morning and afternoon on each day , too much confidence must not be placed in them , made at those altitudes , if there should be any material difference ...
... less than eight or ten degrees high . But if observations should be made both morning and afternoon on each day , too much confidence must not be placed in them , made at those altitudes , if there should be any material difference ...
Page 29
... less in proportion to the difference in the altitude . If possible , the altitude ought to be taken as near the same time each day , or when the altitudes are about the same , which will make the index fall on the same part of the arch ...
... less in proportion to the difference in the altitude . If possible , the altitude ought to be taken as near the same time each day , or when the altitudes are about the same , which will make the index fall on the same part of the arch ...
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Common terms and phrases
altitude anchor anchorage angle appear atmosphere axis bank barometer bearing blow boat Brazil cable Cape Cape Verd Islands Captain casks centre chronometer coast compass degrees diameter distance ditto diurnal motion earth east eastward eclipse equal equator fathoms feet fore Funchal gale gravity Greenwich gulf stream half haul hawse heave Helena helm horizon horizontal parallax inches island Jupiter land latitude leagues length light longitude magnetic mainsail mast mercury meridian miles minutes mizen moon moon's motion N. E. trade Nautical Almanac nearly noon northward observed orbit parallax pass picul planets pole port Porto Praya quarter reef rocks rope round rudder sail Santa Cruz point ship ship's shoal shore side southward specific gravity star staysail steered sun's surface tack tide topmast topsail veer vessel weather weight westward wind yards
Popular passages
Page 737 - ... arrests, restraints, and detainments of all kings, princes, and people, of what nation, condition, or quality soever, barratry of the master and mariners, and of all other perils, losses, and misfortunes that have or shall come to the hurt, detriment, or damage of the said goods and merchandises and ship, &c., or any part thereof.
Page 738 - And so we the assurers are contented, and do hereby promise and bind ourselves each one for his own part, our heirs, executors, and goods to the assured, their executors, administrators, and assigns for the true performance of the premises, confessing ourselves paid the consideration due unto us for this assurance by the assured at and after the rate of IN WITNESS WHEREOF we the assurers have subscribed our names and sums assured in (London).
Page 741 - ... they are, of the seas, men-of-war, fire," enemies, pirates, rovers, thieves, jettisons, letters of mart and countermart, surprisals, takings at sea, arrests, restraints and detainments of all kings, princes, and people* of what nation, condition, or quality soever...
Page 740 - ... and in case of any loss or misfortune it shall be lawful to the assured, their factors, servants, and assigns, to sue, labour, and travel for, in, and about the defence, safeguard, and recovery of the said goods and merchandizes and ship, &c., or any part thereof, without prejudice to this insurance...
Page 742 - And it is agreed by us, the Insurers, that this Writing or Policy of Assurance shall be of as much Force and Effect as the surest Writing or Policy of Assurance heretofore made in Lombard Street, or in the Royal Exchange, or elsewhere in London.
Page 735 - ... upon any kind of Goods and Merchandises, and also upon the Body, Tackle, Apparel, Ordnance, Munition, Artillery, Boat and other Furniture, of and in the good Ship or Vessel called the...
Page 737 - Ship, &c., or any Part thereof, without Prejudice to this Insurance ; to the Charges whereof we, the Assurers, will contribute, each one according to the Rate and Quantity of his sum herein assured.
Page 737 - Be it known that as well in own name as for and in the name and names of all and every other person or persons to whom the same doth, may, or shall appertain, in part or in all...
Page 392 - ... that a line drawn from the centre of the sun to the centre of the earth...
Page 806 - Ship called the whereof is Master for this present Voyage and now riding at Anchor in the and bound for to say being marked and numbered as in the Margin, and are to be delivered...