A Text-Book of Astronomy Quotes

“A = T ± U T stands for the time by the clock at which the star crossed the meridian. A is the right ascension of the star, and U is the correction of the clock. Use the + sign in the equation whenever the clock is too slow, and the - sign when it is too fast. U may be found from this equation when A and T are given, or A may be found when T and U are given. It is in this way that astronomers measure the right ascensions of the stars and planets.”
― George C. Comstock, A Text-Book of Astronomy

“and at the very beginning of his study in astronomy”
― George C. Comstock, A Text-Book of Astronomy

“between them is zero. At one o'clock the minute hand is again at XII, but the hour hand has moved to I, one twelfth part of the circumference”
― George C. Comstock, A Text-Book of Astronomy

“of as a machine to tell the "time of day," but it may be used to time a horse or a bicycler upon a race course, and then it becomes an”
― George C. Comstock, A Text-Book of Astronomy