Photograph of a Clay Street Hill Railroad streetcar on the corner of Clay Street and Kearney Street with passengers, San Francisco, 1873. The streetcar is pictured at center, full of passengers, on the first cable-car line ever built. Two men in suits stand to the right of it on the ground. A two-story building and wrought-iron fence are visible in the background. The ground appears unpaved. Several of the passengers are dressed very formally. Picture file card reads "Sitting on the front seat center, Mr. A.S. Hallidi(e?), the originator and builder of the first cable RR. His wife is seated next to him". Photoprint reads: "The first cable car in the world".