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Caption: Course Catalog - 1898-1899
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Il6 COLLEGE OF SCIENCE also 12 and 13, count either as graduate or as undergraduate work, but neither set can count for both. The subjects treated in the astronomical seminary will be related to those considered in courses astronomy 7 and 9, and 12 and 13 respectively. EQUIPMENT The equipment of the astronomical department consists of a students' astronomical observatory, containing the following instruments: An equatorial telescope of 12 inches aperture, the optical parts of which are by Brashear. The instrument was built and mounted by Warner & Swasey. It is provided with graduated circles, driving clock, filar micrometer, a complete set of positive and negative eyepieces, and a dial for setting in right ascension. The construction of the telescope is such that spectroscopic, or photographic, apparatus may be attached without further work on the mechanician's part; a new 4-inch equatorial by Saegmiiller with graduated circles, driving clock, and eyepieces, and an old 4-inch equatorial by Newton & Co., to be used in photometric eye estimates; a combined transit and zenith telescope by Warner & Swasey, with the usual micrometer and a number of smaller instruments, such as chronometers, a Riefler clock, a polarizing photometer, an altazimuth, two chronographs, an Eastman personal equation machine, two sextants with mercurial horizons, two small astronomical transits, one of 21 inches focal length and 1$ inches aperture, by Saegmiiller, and one of 24 inches focal length and 2 inches aperture, by Newton & Co.; a Green's barometer and thermometer, a mier mark, and half a dozen masonry piers for portable instruments for the use of students in practical astronomy. A master clock for the electrical control of secondary clocks in the various buildings on the campus is mounted in the clock room of the Observatory,
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