Alma Street; Painting; People; Portraits; Rancho Rincon de San Francisquito; Rancho Santa Rita; Robles, Don Teodoro;
A portrait of Don Theodoro Robles. In 1824 Secundino and his younger brother Teodoro Robles were the first non-Indians to discover cinnabar deposits. By 1845, when these deposits proved to be rich in quicksilver, Secundino and Teodoro received...
Education; Elementary school buildings; Elementary schools; Postcards; San Jose (Calif.); Santa Clara County (Calif.)--History;
Color postcard of Horace Mann School. Horace Mann School was built in 1907 to replace the building destroyed in the 1906 earthquake. It was demolished in 1971 when it was unable to meet earthquake standards.
Agricultural machinery; Agriculture; Arbuckle, Clyde, 1903-1998; Hay; Horses; People; San Jose (Calif.); Santa Clara County (Calif.)--History; Technology; Transportation;
Haypresses were common in the rural areas around San Jose when this photo was taken in the summer of 1891. Certain models turned out bales [that] were held together by rope instead of wire. And the crews, fortified by five meals a day, worked from...
On back of the photograph: "Picture taken on lawn of J. R. Welch home, 253 South Eigth Street San Jose, where a concrete building of State College now stands. Right: Camellia Blanche Marsh, Mrs. Artus Metzger and sister of Mrs. J. R. Welch....
The artist made this painting based on Moses Schallenberger's description of his cabin at Truckee Lake Camp (today known as Donner Lake). He described it as a windowless cabin twelve by fourteen feet, covered with rawhide and brush as a roof, with...
Reitzel, Marques R.; Artists; Farm buildings; Landscape paintings; Trees
Reitzel was a prolific artist who produced illustrations and etchings, but was primarily a painter. His son Marques R. Reitzel described how his father would create "exhibition" paintings, typically 5' x 7'. "He first sketched his...
Children; College buildings; Horses; People; Photographs; Santa Clara (Calif.); Santa Clara County (Calif.)--History; University of Santa Clara; Women;
Black-and-white photograph of University of Santa Clara dedicatory celebration, June 16, 1912, when Santa Clara College became the University of Santa Clara.
Agriculture; Color prints; San Jose (Calif.); San Jose Chamber of Commerce; Santa Clara County (Calif.)--History;
Color printed on paper, "Stop at San Jose in the famous Santa Clara Valley, California. You are cordially invited to visit our beautiful Valley. When making out your itinerary be sure to arrange to stop at San Jose. Full information about...
Photographs; Canned fruit industry; The Alameda (San Jose, Calif.)
When Dr. James M. Dawson and his wife set up shop in a 12 x 16 foot shed behind their home on The Alameda in 1871, they founded Santa Clara County's canning industry. Their venture grew into the San Jose Fruit Packing Co. and was followed by many...
Photographs; San Jose State University; Automobiles; Student activism
Individual black and white frame from a contact sheet. Shows the car buried as a part of SJSC Survival Faire on February 20, 1970, being pulled out of its grave at some future date. The location is between the old cafeteria building and 7th Street...
"This unique piece of apparatus uses Lissajous figures to show that the ratio of the frequency ratios in a diatonic scale are ratios of small numbers. On the side is an air-driven vibrating reed with a small mirror attached to its free end....
The Kinnersley's Thermometer was an apparatus designed to demonstrate the heating power of an electric spark by showing the expansion of air when an electric spark is passed through it. Physical Description: Glass tube with brass base and top,...
Electric discharges; Scientific apparatus and instruments
When connected to a power source, a bright electric spark would flash between the two ends of the two outer posts. The middle glass post is made of photo gray glass (yellow tinted glass), which would have glowed. This instrument is visible in early...
Scientific apparatus and instruments; Induction coils
The Ruhmkorff induction coil consists of two separate coils of wire one inside the other wound around a cylinder with a central core of soft iron rods. When a current is passed through the first primary coil, current is induced in the secondary...
David Brewster, creator of Brewster's Law, patented this device in 1817. It consisted of a long, hollow tube containing two glass mirrors running along the length of the tube and separated from each other at an angle of 60 degrees. Where mirrors...
Scientific apparatus and instruments; Electric batteries
Grenet Batteries were single-element battery sources with flasks varying in size, from 1/3 liter to 3 liters. These batteries, when filled with an acid solution and placed in series, were a common source of electrical current prior to the...
Scientific apparatus and instruments; Simple machines; Archimedean screw
A simple mechanical device credited to Archimedes. When the lower end of the screw is placed in water, turning the device raises water to the top. This principle has various applications for drainage and irrigation, but the instrument can also be...
Astronomical Observatories; Ricard, Jerome S., 1850-1930; Mead, L. A.; Astronomical Clocks; University of Santa Clara
From caption on back of photograph: 'Rev. Jerome S. Ricard, S. J. and Mr. L. A. Mead discuss the Grimshaw and Baxter Clock (after Mead) when it was installed in the Ricard Observatory, 1929.'