The Philosophical Magazine and Journal: Comprehending Various Branches of Science, the Liberal and Fine Arts, Agriculture, Manufactures, and Commerce, 56권Richard Taylor and Company, 1820 |
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16 페이지
... . The lunar tables in the time of Sir Isaac Newton gave the D's longitude only to within about five minutes of a degree from the truth ; truth ; whereas they now give it to within ten 16 Remarks on the Lunar Theory .
... . The lunar tables in the time of Sir Isaac Newton gave the D's longitude only to within about five minutes of a degree from the truth ; truth ; whereas they now give it to within ten 16 Remarks on the Lunar Theory .
18 페이지
... minutes , and one - fourth ; in which time all the corresponding new and full moons and eclipses re- turn again . 2. The principal alteration of the time of the day in all eclipses depended on the excess of this period above an even ...
... minutes , and one - fourth ; in which time all the corresponding new and full moons and eclipses re- turn again . 2. The principal alteration of the time of the day in all eclipses depended on the excess of this period above an even ...
23 페이지
... minutes , and eleven days gives the Julian excess for 1440 years , at the rate of eleven minutes per annum , which is very nearly the account . 9. The alteration of the calendar in the addition of the eleven days of the month , and in ...
... minutes , and eleven days gives the Julian excess for 1440 years , at the rate of eleven minutes per annum , which is very nearly the account . 9. The alteration of the calendar in the addition of the eleven days of the month , and in ...
25 페이지
... minutes : the difference of the sun and moon's motion in 100 years is therefore 5 days , 14 hours , 49 minutes , and this subtracted from one lunation gives the moon's motion from the sun . To find the quantity of a mean lunation ...
... minutes : the difference of the sun and moon's motion in 100 years is therefore 5 days , 14 hours , 49 minutes , and this subtracted from one lunation gives the moon's motion from the sun . To find the quantity of a mean lunation ...
26 페이지
... minute portion of carbon , constitutes the very best material for making edge tools ; or whether any additional ingredient , such as the earths , or their bases , or any other me- tallic matter , may not be advantageously combined with ...
... minute portion of carbon , constitutes the very best material for making edge tools ; or whether any additional ingredient , such as the earths , or their bases , or any other me- tallic matter , may not be advantageously combined with ...
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alloy appears Argand burner arsenic arsenic acid ascertained astronomers atmosphere aurora borealis body boiling buds bushels calculated Captain carbon carrots centre Cloudy coal coal gas colour common containing crops cubical degree density discovery distance Ditto dung earth eclipse effect electric Engravings equal equations Everard Home experiments Fair feet fluid formed heat honour hydrogen inches iron island July June Lancaster Sound land latitude light longitude lunar lunations matter mean medium method minutes months moon motion nature nickel nitrous acid o'clock observations obtained olefiant oxide oxygen Paris passing period phænomena Philosophical planets plate platinum produced quantity respecting root Royal Society Sept ships Sir Joseph Banks solar Solar Eclipse specific gravity steel stone sulphate sulphuric acid surface Tables thermometer Tilloch tion turnips voyage weight whole wood wootz
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23 페이지 - Tuesday; 9. Wednesday; 10. Thursday; 11. Friday; 12. Saturday; 13. Sunday; 14. Monday; 15. Tuesday; 16. Wednesday; 17. Thursday; 18. Friday; 19. Saturday; 20. Sunday; 21. Monday; 22. Tuesday; 23. Wednesday'; 24. Thursday; 25. Friday; 26. Saturday; 27. Sunday; 28. Monday; 29. Tuesday; 30. Wednesday.
45 페이지 - &c. with practical Rules and Examples. To which is added, an Essay on the Nature and Properties of. Timber, the Method of Seasoning, the Causes and Prevention of Decay;
92 페이지 - had proved that there was no continent but what must lie far to the south, there •remained nevertheless room for very large islands in places wholly unexamincd: and many of those which were formerly discovered, are but imperfectly explored, and their situations as imperfectly known. I was besides of opinion, that my
92 페이지 - and many of those which were formerly discovered, are but imperfectly explored, and their situations as imperfectly known. I was besides of opinion, that my remaining in this sea some time longer, would be productive of improvements in navigation and geography, as well as in other sciences.
45 페이지 - Elementary Principles of Carpentry; being a Treatise on the Pressure and Equilibrium of Beams and Timber Frames; the Resistance of Timber ; and the Construction of Floors, Roofs, Centres, Bridges, &c. with practical Rules and Examples. To which is added, an Essay on the Nature and Properties of. Timber,
473 페이지 - Eighty and ninety 662 Ninety and a hundred .. .. 119 A hundred 2 A hundred and two 1 Increased in the burials this year, 120. There have been executed in London and the county of Surrey, 38; of which number ten only have been reported to be buried within the bills of mortality.
92 페이지 - winter within the tropic, if I met with no employment before I came there. I was now well satisfied no continent was to be found in this ocean, but what must lie so far to
169 페이지 - change for blunt, The nation's out of joint: Franklin a wiser course- pursues, And all your thunder useless views By keeping to the point.
92 페이지 - as to be wholly inaccessible on account of ice; and that if one should be found in the Southern Atlantic Ocean, it would be necessary to have the whole summer before us to explore it. On the other hand, upon a supposition that there is no land there, we undoubtedly might have reached the Cape of Good Hope by
303 페이지 - Pomarium Britannicum: an Historical and Botanical Account of Fruits known in Great Britain ; with three coloured Plates relating to the parts of Fructification. By Henry Phillips Royal