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
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 these noon-mark dialsare better than ordinary commercialdials is that they are larger, and stillfurther, noon is the only time that anydial is accurate to sun… … correctly. So, for setting clocks, tlcorner of your house is far ahead of tlmost pretentious and expensive diallIn Fig. 4 is shown a modern horizontdial without the usual confusing orn;mentation, and in Fig. 5 it is shown S(up on the latitude of New York Citfor which it is calculated. This…

Time · Clocks and watches

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

More pictures from Time and its measurement

More like this