The Goniometer is an instrument for measuring the angles of crystals by observing the direction of a beam of light reflected from their face. The instrument was invented by W.H. Wollaston in 1807. Physical Description: Round brass base with black...
Cornerstones; Mission Santa Clara; Photographs; Santa Clara (Calif.); Santa Clara County (Calif.)--History;
On verso of black-and-white photograph: "Photo of Padre Murguia Mission Church and compound ruins -- Cornerstone laid March, 1781. Dedicated May 15, 1784 by Serra. Damaged by quakes of 1812 & 1818. Photo by Alice Hare, Santa Clara...