Identified! [Man preparing a "smoked paper" to be used in a seismograph, probably at Georgetown University]
| Uploaded by | The Library of Congress |
|---|---|
| License | No known copyright restrictions |
| Comments | 12 |
| Favorites | 34 |
| Views | 19,147 |
| Date taken | 1924 |
| Date uploaded | 2022-05-06 |
| Tags | libraryofcongress, dc:identifier=httphdllocgovlocpnphec32544 |
| Visibility | public |