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valuable as a reference library. It receives currently a very large number of periodical publications. By a recently constructed addition to the building, six seminary rooms have been provided.

The various departments of instruction have separately kept collections of books, useful for ready reference and class-room work.

The Library and Reading-room of the Department of Agriculture, situated in Agricultural Hall, receives the publications of the Experiment Stations of the United States and other countries, as well as pamphlets on agricultural subjects published by various Governments and Commissions. About one hundred and forty dailies, weeklies, and monthlies are regularly received.

MUSEUMS AND LABORATORIES.

The Psychological Laboratory is well equipped for instruction and for research. The entire second and third floors and part of the basement of the Philosophy Building are set apart for this use. The laboratory contains a demonstration room furnished for class instruction, which can be darkened when necessary, and an office used also for conferences. For research and special demonstrations there is an optical room, provided with north light; a special dark room, which may also be used as a silent room, being protected with double walls, floors, and doors; an acoustical room, with a specially devised contrivance for the direct transmission of sound to the silent room; and three other rooms, which can be adapted to any special problems. In addition to these, there is an apparature room, a photographic room, a battery room, and a shop in which those working in the laboratory can construct the simpler contrivances for special research.

Besides its own batteries, the laboratory is connected with the central electric power-plant of the University, and a switchboard having terminals of from four to eight wires in each of the above rooms makes electric power from either source available in any part of the laboratory. In addition to this, an independent circuit provides light throughout the building.

The equipment includes the more important psvehological instruments, of late pattern, from the best makers. There is also a good collection of models, casts, and charts, of the brain and the sense organs, and a full assortment of materials for demonstration and experiment.

The Physical Laboratory occupies the entire basement floor of South Hall, and of East Hall, and thus secures favorable condi. tions as regards stability and evenness of temperature. There are set apart rooms for elementary and for advanced work, for photometry, for spectroscopic research with a Rowland grating, for dynamos, and for a workshop. The apparatus includes many instruments and standards for fundamental measurements from makers of the best reputation, and the laboratory employs a competent mechanician, who is continually increasing the equipment from original designs. It offers good facilities to students who wish to pursue the study of physics beyond the limits of the prescribed course, whether for the sake of physics itself, or in connection with other subjects, like electrical engineering, astrophysics, the practical uses of polarized light, and physical chemistry. Such students may make special arrangements for using the laboratory.

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The Students' Observatory (Berkeley Astronomical Department). The equipment of the observatory consists of the following instruments: An eight-inch reflector, gift of the Hon. Wm. M. Pierson; a six-inch refractor; a five-inch refractor, gift of Mr. and Mrs. IIerman Oelrichs; a six-inch photographic telescope with a three-inch guiding telescope, all equatorially mounted with driving clocks; a three-inch Davidson combination transit-and-zenith telescope; a two-inch altazimuth instrument; a spectroscope; a Repsold measuring engine for measuring astronomical photographs; a Gærtner microscope for measuring spectrograms;

electrochronograph; a Harkness spherometer; a level-trier; sextants; chronometers; a Howard clock; all the necessary electric connections for recording time and determining longitude by the telegraphic method; a set of meteorological instruments with which observations are regularly recorded and forwarded to the United States Weather Bureau in Washington, D. C.; two seismographs, having both time and electric connections, one of the Ewing and one of the Gray type, and two duplex seismographs.

For particulars concerning the organization and aims of the undergraduate and graduate instruction in the various branches of astronomy in the Berkeley Astronomical Department, consult the “Special Announcement to Students,” issued in 1901 by the Lick and Berkeley Astronomical Departments.

Visitors are received at the Students' Observatory on the first Friday of each month, in the evening from eight to ten o'clock.

Tickets of admission should be procured in advance at the Observatory.

Chemical, Mineralogical, Physiological Laboratories. 15

The Chemical Laboratories are large and commodious, well lighted and well ventilated, and offer excellent facilities for the study of chemistry. They comprise the following: An Elementary Laboratory for beginners; a Qualitative and a Quantitative Laboratory, each containing all the visual appliances; an Organic Laboratory for special and advanced studies in organic chemistry; a wellequipped laboratory for Physical Chemistry; a laboratory for Physiological Chemistry; and two large Research Laboratories. Special

devoted volumetric analysis, gas analysis, spectrum analysis, and electrolysis. Ample facilities are provided for chemical analysis and for investigations in foods, drinking waters, mineral waters, poisons, etc. A chemical museum, with a large collection of chemical products and apparatus, is open daily for inspection and study.

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The Mineralogical Laboratory is provided with a large collection of minerals, and is well equipped with the necessary apparatus for research work in crystallography both as regards goniometric work and the determination of physical constants.

The Petrographical Laboratory contains a large collection of rocks, and several thousand thin sections. It is supplied with all necessary apparatus for instruction in petrography and for detailed research.

The Rudolph Spreckels Physiological Laboratory. Undergradnate instruction is given in the east wing of the building erected for the University by Mr. Rudolph Spreckels, of San Francisco. There are laboratory facilities for about fifty students. The central part and west wing of the building are reserved for research. The central part corresponds in its arrangement with the traditional physiological laboratory, and offers all the facilities for work in special physiology. The west wing is reserved for work in general and biological physiology, and special provisions are made for the investigation of marine animals.

The Department Library, situated in the central part of the building, contains complete sets of all the important physiological journals, and the more important monographs on physiological and related subjects.

The Museum of Geology and Mineralogy comprises an extensive suite of minerals and ores illustrating the chief phenomena of crystals, and of economic deposits. There are, besides, many crystallographic models, and relief maps geologically colored. There is a

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Agricultural and Bacteriological Laboratories.

similarly extensive suite of petrological specimens affording an almost complete illustration of the subject of Petrology; and many specimens illustrative of the more interesting features of structural geology.

The Laboratories of Agricultural Chemistry, Fertilizer Control, Viticulture, Entomology, and Dairy Practice are located in the Agicultural Experiment station Building, that of Plant Pathology in the Botany Building, and that of Bacteriology and Veterinary Science in an adjoining structure.

The Special Laboratory is devoted to investigations in the physics and chemistry of soils, and to the rapid examination, by the Agricultural Chemist and Geologist and the Director, of agricultural and other materials sent in by farmers throughout the State.

The Laboratory of Agricultural Chemistry is devoted primarily to the prosecution of chemical researches in relation to general agriculture, such as the chemical examination of soils, waters, foods, agricultural products, natural and commercial fertilizers, etc., and the determination of technical questions relating to agricultural processes or manufactures. The results of this work are reported to the persons interested; so far as they are of general interest, they are published currently in the form of bulletins.

Laboratory Instruction has been provided by desk room in the laboratories for twenty-five advanced students (i.e., those who have taken silicate analysis in the chemistry department) and for special students for work in agricultural analysis.

Bacteriology and Veterinary Science. The laboratories for instruction and investigation in bacteriology and for the study of diseases of live stock are accommodated in a structure adjoining the Agricultural Building. This laboratory contains microscopic equipment sufficient to accommodate eight students at a time.

The Experiment Station and Sub-Stations of the College of Agriculture make provision for systematic experimentation in the culture of the various farm products of California. The investigations include the introduction and testing of new varieties, the study of diseases of plants and animals, the repression of animal and vegetable parasites, etc. Samples sent for examination ar analyzed or tested, and reported upon by letter as rapidly as the examination can be completed. The entire technical staff of the department takes part in the experimental work. There are at present five stations at which this work prosecuted.

HARMON GYMNASIUM.

The Gymnasium, presented to the University by the late A. K. P. Harmon, is well equipped, and provides all the students with opportunities for physical culture. Besides the main hall and athletic quarters, there are fifty-five dessing-rooms, sixty-three shower-baths, and seven hundred lockers for the use of the students.

The exercises in the gymnasium are conducted systematically under the supervision of the Professor of Physical Culture.

HEARST HALL.

Hearst Hall was presented to the University by Mrs. Phoebe A. IIearst for a Women's Gymnasium. It contains the very best of modern equipment, with special facilities to overcome deformi. ties or correct physical defects. In a separate building, and connected with the gymnasium, are thirty-nine shower-baths, supplied with hot and cold water, seventy-eight dressing-rooms, and three hundred lockers for the exclusive use of women students. The lower hall is used as a general gathering place for the women of the University.

Connected with the gymnasium is a large enclosed court, 150 feet long and 80 feet wide, with a seating capacity of one thousand, also the gift of Mrs. Hearst. It is used as an outdoor gymnasium, as well as for basket-ball and other games suitable for

women.

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