Scientific apparatus and instruments; Santa Clara University (Calif.)
""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...
"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....
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...
Scientific apparatus and instruments; Santa Clara University (Calif.); 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...
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...
Adobes, Mission Santa Clara; Dwellings; Ohlone Indians; Photographs; Santa Clara (Calif.); Santa Clara County (Calif.)--History;
Black-and-white photograph of Old Adobe. On verso of photo: "Old Adobe built in 1807 in old Santa Clara -- Mrs. Hare photo. An early mission apartment for an Indian couple and family built under Padre Magin Catalas administration in 1807 when...
Arbuckle, Clyde, 1903-1998; Macon (Airship); Moffett Field (Calif.); Photographs; Santa Clara County (Calif.)--History; Sunnyvale (Calif.); Technology; Transportation; United States--Navy;
Black-and-white photograph of the Airship Macon approaching the mooring circle at Moffett Field on October 15, 1933. The Macon was based at Moffett Field until February 1935 when the airship was forced to ditch at sea.
Arbuckle, Clyde, 1903-1998; Moffett Field (Calif.); Mooring Masts; People; Photographs; Santa Clara County (Calif.)--History; Sunnyvale (Calif.); Technology;
Black-and-white photograph of the Airship Mooring Mast at Moffett Field. The mooring mast would secure the airship when it was not in flight. Once secure, the moored airship could be guided into its hangar.
Arbuckle, Clyde, 1903-1998; Large astronomical telescopes; Lick Observatory; Mount Hamilton Range (Calif.); Photographs; Santa Clara County (Calif.)--History; Technology;
Black-and-white photograph of the Lick Observatory 36-inch refracting telescope. When built it was the most powerful telescope in the world. Weight: 13 tons. Length: 60 feet.
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.
Blossomtime Tours; Maps; Postcards; San Jose (Calif.); Santa Clara County (Calif.)--History;
Blossom Time Tours map is on front of postcard, going as far north as Alviso and as far south as Los Gatos. Copyright [of map] by: The H. M. Gousha Company. Image of blossoming orchard is in background near edge of postcard. Also on front of...
Automobiles; Old City Hall (San Jose, Calif.); Photographs; Public buildings; Santa Clara County (Calif.)--History; Transportation; Urban life;
Color photograph of San Jose's Old City Hall before demolition. It stood in Plaza de Cesar Chavez where the children's fountain now bubbles. Old City Hall was vacated in 1956 when the new City Hall in the Civic Center was completed. It was...
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.
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...
Arguello, Concepcion, 1791-1857; Combs; Mantilla; Rezanov, Nikolai Petrovich, 1764-1807; Santa Clara County (Calif.)--History; Shawls;
Concepcion Arguello was 15 in 1806 when she met the Russian Count Nicolai Rezanov, Chamberlain to the Czar while he was in San Francisco. After a three week courtship, they became engaged. An official of the royal court, he had to return to...
Scientific apparatus and instruments; Santa Clara University (Calif.)
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...