Inside Out Library · Explore

Time and its measurement (1909)

Arthur, James, 1842-1930 · Chicago · leaf 21

An illustration from Time and its measurement, 1909, leaf 21
1:54 27...12:01 15.. 12:00 21...11:.53 29...12:02 !!».. 11:5!) 24...11:.52 31... 12:03 24. . 11:.58 27...11:51 The above table shows the variation of the sun from meanor clock time, by even minutes. the same place in its elliptical orbitand the correction of this by the leapyears causes the… … zontal Sundial for-43 The reason that the table given hereis convenient for setting clocks to meantime is that a minute is as close as adial can be read, but if you wish forgreater accuracy, then the almanac,which gives the equation of time toa second for each day,.will be better.The reason that…

Time · Clocks and watches

Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.

More pictures from Time and its measurement

More like this