 What is the error of the best tables now in use ? hours, or one minute of space in two minutes of time. Therefore, if we make an error of one minute in observing the distance, we make an error of two minutes in time, or 30 miles of longitude at the equator....  Elements of Plane Astronomy - Page 208by John BRINKLEY (Bishop of Cloyne.) - 1836 - 287 pagesFull view - About this book
 | Denison Olmsted - 1839 - 300 pages
...the best tables now in use ? " See Bowditch's Navigator, Tenth Ed. p. 226. hours, or one minute of space in two minutes of time. Therefore, if we make...of one minute in observing the distance, we make an errortof two minutes in time, or 30 miles of longitude at the equator. A single observation with the... | |
 | Denison Olmsted - 1842 - 302 pages
...the best tables now in use ? * See Bowditch'9 Navigator, Tenth Ed. p. 236. hours, or one minute of space in two minutes of time. Therefore, if we make...make an error of two minutes in time, or 30 miles of longitude at the equator. A single observation with the best sextant, may be liable to an error... | |
 | Basil Jackson - 1847 - 410 pages
...made. The moon moves, as before noticed, at the rate of about a degree in two hours, or one minute of space in two minutes of time. Therefore, if we make an error of one minute in observing the distance between the sun and moon, or between the moon and a star, we make an error of two minutes in time,... | |
 | Denison Olmsted - 1855 - 318 pages
...objections to this method ? What is the error of the best tables now in use ? hours, or one minute of space in two minutes of time. Therefore, if we make...make an error of two minutes in time, or 30 miles of longitude at the equator. A single observation with the best sextant, may be liable to an error... | |
 | Denison Olmsted - 1858 - 318 pages
...objections to this method ? What is the error of the best tables now in use ? hours, or one minute of space in two minutes of time. Therefore, if we make...make an error of two minutes in time, or 30 miles of longitude at the equator. A single observation with the best sextant, may be liable to an error... | |
 | John Brinkley - 1871 - 344 pages
...error in the longitude. The moon moves at the rate of about a degree in two hours, or one minute of space in two minutes of time. Therefore, if we make an error of one minute in observing the angular distance, we make an error of two minutes in time, or 30 miles in longitude at the equator;... | |
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