[Clay St. Hill RR., San Francisco, Cal. Run by A.S. Hallidie's patent endless steel wire rope and gripping attachment: Overcomes an elevation of 307 feet in a length of 2800 feet. Worst grade, one foot in six]
Though not required of public domain images, if you want to credit the library as the source, please use the following statement: "From the San Francisco History Center, San Francisco Public Library" and provide a link back to the item on our Digital Collections site.