A new treatise on the use of the globes; or, A philosophical view of the earth and heavens1848 |
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Page xvii
... Epact 238 238 239 The Number of Direction To find the Paschal Full Moon , and thence Easter Day by the Epact Elements of the Solar System 240 - - 240 243 and 244 PART III . CHAP . I. PROBLEMS PERFORMED BY THE TERRESTRIAL GLOBE ...
... Epact 238 238 239 The Number of Direction To find the Paschal Full Moon , and thence Easter Day by the Epact Elements of the Solar System 240 - - 240 243 and 244 PART III . CHAP . I. PROBLEMS PERFORMED BY THE TERRESTRIAL GLOBE ...
Page 237
... Epact ; the Cycle of the Sun and the Dominical Letter ; the Number of Direction ; and the Roman Indiction , The Roman Indiction is of no use whatever in the Calendar . It was a period of 15 years , in which the Romans collected a tax ...
... Epact ; the Cycle of the Sun and the Dominical Letter ; the Number of Direction ; and the Roman Indiction , The Roman Indiction is of no use whatever in the Calendar . It was a period of 15 years , in which the Romans collected a tax ...
Page 238
... Epact ; if the product exceed 30 , divide it by 30 , and the remainder will be the Epact . When the Golden Number is 1 , the Epact is 29 . Example . - What is the Epact for the year 1850 ? The Golden Number for 1850 is 8 , hence ( 8-1 ) ...
... Epact ; if the product exceed 30 , divide it by 30 , and the remainder will be the Epact . When the Golden Number is 1 , the Epact is 29 . Example . - What is the Epact for the year 1850 ? The Golden Number for 1850 is 8 , hence ( 8-1 ) ...
Page 240
... Epact . Add 6 to the Epact ( if this sum exceeds 30 , 30 must be taken from it ) , and subtract the sum from 50 ; the re- mainder is the Paschal full moon , or Easter limit 240 [ PART II . THE NUMBER OF DIRECTION . The Number of ...
... Epact . Add 6 to the Epact ( if this sum exceeds 30 , 30 must be taken from it ) , and subtract the sum from 50 ; the re- mainder is the Paschal full moon , or Easter limit 240 [ PART II . THE NUMBER OF DIRECTION . The Number of ...
Page 241
... Epact ( by some of the preceding methods ) , against which , in the Table , is the day of the Paschal full moon , with its corresponding weekly letter . - Example . On what day does Easter Sunday fall in the year 1850 ? The Epact is 17 ...
... Epact ( by some of the preceding methods ) , against which , in the Table , is the day of the Paschal full moon , with its corresponding weekly letter . - Example . On what day does Easter Sunday fall in the year 1850 ? The Epact is 17 ...
Table des matières
138 | |
139 | |
140 | |
142 | |
143 | |
149 | |
150 | |
151 | |
153 | |
157 | |
162 | |
167 | |
168 | |
170 | |
171 | |
173 | |
177 | |
181 | |
183 | |
190 | |
191 | |
192 | |
193 | |
194 | |
195 | |
203 | |
216 | |
224 | |
268 | |
277 | |
283 | |
289 | |
295 | |
302 | |
308 | |
314 | |
317 | |
320 | |
321 | |
327 | |
329 | |
336 | |
337 | |
343 | |
348 | |
355 | |
361 | |
367 | |
369 | |
375 | |
381 | |
382 | |
392 | |
396 | |
413 | |
Autres éditions - Tout afficher
A New Treatise on the Use of the Globes: Or, A Philosophical View of the ... Thomas Keith Affichage du livre entier - 1811 |
A New Treatise on the Use of the Globes: Or, a Philosophical View of the ... T. Keith Affichage du livre entier - 1853 |
A New Treatise on the Use of the Globes, Or, A Philosophical View of the ... Thomas Keith Affichage du livre entier - 1811 |
Expressions et termes fréquents
analemma angle appear Aries astronomers atmosphere attraction axis body Boötes brass meridian called Cape Cape Horn centre circle climate colour constellation depth diameter difference distance diurnal earth east ecliptic Elevate the pole Epact equal equator equinoctial fall feet find the sun's force given place gravity heat heavens Hence horizon inches inhabitants Jupiter latitude length Libra London longest day longitude magnitude mass mean temperature meridian altitude miles minutes moon moon's motion mountains nearly night node noon north latitude north pole number of degrees o'clock oblique observed ocean orbit parallel of latitude Paschal full moon pass planet polar PROBLEM quadrant of altitude quantity rays retrograde motion revolution right ascension rise and set sidereal period solar sphere sun rise sun's declination sun's meridian altitude sun's place surface synodical period thermometer tides turn the globe twilight vapour velocity vertical wind winter Yakutsk zenith
Fréquemment cités
Page 2 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Page 358 - ... the western edge of the horizon, and the index will show the time of...
Page 74 - In this case, it is obvious that the plane of the circle of illumination would be perpendicular to a line drawn from the centre of the sun to the centre of the earth...
Page 242 - RULES TO KNOW WHEN THE MOVEABLE FEASTS AND HOLYDAYS BEGIN. EASTER DAY, on which the rest depend, is always the First Sunday after the Full Moon which happens upon, or next after the Twenty-first Day of March ; and if the Full Moon happens upon a Sunday, Easter Day is the Sunday after.
Page 52 - Every body continues in its state of rest, or of uniform motion in a straight line, unless it is compelled to change that state by forces impressed upon it.