The J. Paul Getty Museum
License, verbatimCC0
The J. Paul Getty Museum: image dedicated to the public domain under Creative Commons Zero (CC0), stated on the media record itself ('Rights for Media'), with download clearance.
Thomas Houseworth & Company. The Photographic and Optical Instrument Establishment of the Publishers, 317 and 319 Montgomery St. [Thomas Houseworth & Co.], about 1870. The J. Paul Getty Museum.