{"version":"1.0","type":"photo","width":1024,"height":690,"title":"glass negative: Union Gas Engine Company, San Francisco","url":"https:\/\/static.sfomuseum.org\/media\/176\/269\/683\/1\/1762696831_1hv0yYSsCtzlzD2M3aWlkIQxb9GUOTZJ_b.jpg","author_name":"SFO Museum","author_url":"https:\/\/collection.sfomuseum.org\/objects\/1762683635\/","provider_name":"SFO Museum","provider_url":"https:\/\/collection.sfomuseum.org\/"}