{"version":"1.0","type":"photo","width":1024,"height":693,"title":"glass negative: Union Gas Engine Company, San Francisco","url":"https:\/\/static.sfomuseum.org\/media\/176\/269\/682\/3\/1762696823_HRJ1ysrbQbTPlTj6G4dmyWto0lEbYulB_b.jpg","author_name":"SFO Museum","author_url":"https:\/\/collection.sfomuseum.org\/objects\/1762686451\/","provider_name":"SFO Museum","provider_url":"https:\/\/collection.sfomuseum.org\/"}