Crova's apparatus was designed for the purpose of representing vibratory movements on the screen, with 8 disks. Turning the crank past a vertical slit caused the disks to rotate, while a beam of light from the optical system impinged on the slit...
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...
People; Photographs; Railroads--California--San Jose; San Jose (Calif.);Santa Clara County (Calif.)--History; The Alameda (San Jose, Calif.); Urban life;
Black-and-white photograph of workers laying rails along The Alameda for the Electric Railway.
Carriages & coaches--American--California--Santa Clara; Horses; Photographs; Santa Clara County (Calif.)--History; The Alameda (Santa Clara, Calif.); Trees; Urban life;
Black-and-white photograph of trees along The Alameda.
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...
