Scientific apparatus and instruments; Optical instruments
The spherometer was used to measure the curvature of lenses. Physical Description: In mahogany case with sliding lid. Calibrated brass disk on three legs.
Scientific apparatus and instruments; Optical instruments
This device was used with a prism to demonstrate the seven colors of the specturm present in a beam of sunlight: red, orange, yellow, green, blue, indigo and violet. Physical Description: Seven movable mirrors, pivoted on brass holders, set in an...
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; Steam engines
The Eolypile (or aeolipile) is a metal sphere attached to a chariot half-filled with water and nested up to allow steam to build up. The steam is then allowed to escape in a jet making the chariot move. Physical Description: Brass 'cart' with three...
Alum Rock Park (San Jose, Calif.); Arbuckle, Clyde, 1903-1998; Buildings; Nature; Photographs; San Jose (Calif.); Santa Clara County (Calif.)--History;
Alum Rock House provided lodging to visitors to Alum Rock Park in the 1870s and 1880s. It stood on the south side of the canyon opposite the main bridge across Penitencia Creek. It burned down in 1890.
Scientific apparatus and instruments; Santa Clara University (Calif.); Optical instruments
This device was used with a prism to demonstrate the seven colors of the specturm present in a beam of sunlight: red, orange, yellow, green, blue, indigo and violet.
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...
