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...
Ephemera; Italian Americans; Organizations--California--San Jose; Programs; Santa Clara County (Calif.)--History;
On left side of front cover of program, "Given by the Italian Colony of San Jose." On right side: "In Honor of our returned 'Boys'." At bottom middle, "Elk's Hall, (Columbus Day), October 12, 1919." Colored Italian and...
Cabinet photographs; People; Portraits; San Jose (Calif.); Santa Clara County (Calif.)--History; Winchester, Sarah Pardee, 1837-1922;
Hand colored portrait on cabinet card of Sarah Winchester. Written on the back, "Mrs. Sarah L. Winchester." Also, "Taber Photographic Co., 121 Post Street, San Francisco, California."
Jensen, Peter V.; Perham, Douglas; Albertus, F.; Radio--Transmitter-receivers; Arc Transmitter and Receiver; Men;
The First Arc Transmitter and Receiver built by Poulsen Wireless in 1910. Original photo in sepia tones, copies in colored and black and white. Shows Douglas Perham, F. Albertus and Peter V. Jensen.
Scientific apparatus and instruments; Camera lucida;
An artist's aid for drawing, the camera Lucida was a portable device that was used to reproduce visual images on to paper. An adjustable prism mounted on the end of a supporting arm reflects the surrounding light and produces the image onto the...
McColl, Anna Stokes; People; Portraits; Santa Clara County (Calif.)--History; Women;
Black-and-white enhanced gelatin silver print portrait of Anna Stokes McColl. McColl was founding member of the San Jose Chapter of the National Association for the Advancement of Colored People and the Garden City Womens Club.
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...