{"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\/685\/1\/1762696851_xu21vpm1L1QnC2V5bC5QWXW8CtBql4cA_b.jpg","author_name":"SFO Museum","author_url":"https:\/\/collection.sfomuseum.org\/objects\/1762693975\/","provider_name":"SFO Museum","provider_url":"https:\/\/collection.sfomuseum.org\/"}