Abstract Thomas Houseworth and Co. is the company continued by Thomas Houseworth after his partner George Lawrence retired in 1869. Houseworth was an optometrist and stereograph merchant located in San Francisco, Calif. The images in this collection contain reprints of Lawrence and Houseworth images, as well as newly created images. Houseworth was a major player in the stereograph market until the early 1870s, and he took numerous measures to make sure his work remained viable, including introducing...

Scope and Contents The collection consists of 479 black and white gelatin silver prints and 423 gelatin silver print negatives of urban and rural postwar Bay Area and greater Northern California taken by photographer Minor White while he resided in San Francisco from 1946 to 1953. The bulk of the photographs document San Francisco county neighborhoods, including the downtown financial and produce districts; the Embarcadero and waterfront; and the Potrero, Mission, Glen Park, Bayshore, Nob Hill, Chinatown,...

Abstract Consists of photographs depicting irrigation and water projects throughout California and other western locations collected by William Hammond Hall. The photographs were probably collected while Hall acted as California's first State Engineer (1878-1888) and while he worked in the private sector as a civil engineer. The photographs span the years 1868 to 1917 and depict various water projects throughout California. The photographs comprise a variety of formats including albumen silver...