| Title | Allen, Joseph Garrott |
| View | Laboratory 3 |
| Series | I: Individuals and Groups |
| Description | Toluidine Blue solution, 0.04%, photographed in the University of Chicago laboratory of Joseph Garrott Allen. |
| Subject Terms | Toluidine blue | Research laboratories | Academic medical centers |
| Photograph Date | Undated |
| Physical Format | Photographic prints; 22.8 x 18.0 cm |
| Location | Chicago, Illinois |
| Collection | Archival Photographic Files |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf1-00118 |
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