Dr. Charles Richter analyzing a seismograph log in Los Angeles, Calif., 1964 Date: October 25, 1964 Resource Type: still image Photographer: Cooper, Gil Collection: Los Angeles Times Photographic Collection
Marjorie Hunter receives output from a new seismograph at Griffith Observatory, Los Angeles, 1935 Description: This photograph appears with the article, "Temblors Reproduced by Device," Los Angeles Times, 22 July 1935: A1. Date: July 19, 1935 Resource Type: still image Collection: Los Angeles Times Photographic Collection
Robert Warl and his seismograph, Los Angeles, 1936 Description: Robert Warl, an architect who resides in North Hollywood, stands over his seismograph. Date: January 10, 1936 Resource Type: still image Collection: Los Angeles Times Photographic Collection