| Photographers number: | 1520 |
|---|---|
| Title: | Mechanics' Institute, 1868. |
| Photographer: | Carleton E Watkins |
| Publisher: | Carleton Watkins |
| Format: | Stereograph |
| Image courtesy of: | Marilyn Blaisdell Photograph Collection (SFP 84) , San Francisco History Center, San Francisco Public Library |
| CarletonWatkins.org ID: | 1001764 |