| Collection Descriptive Notes | Writing from New York City, DeBlois tells about his experiments "studying oral air movements" using a new "pen-and-paper recorder" that he had developed. He encloses eleven such paper records with his letter. |
| Collection Technical Notes | Text consists of 1) the mailing envelope, 2) the letter itself (three trypewritten sheets) and 3) eleven strips of paper (2.25 inches wide and of varying lengths) that are printouts from some kind of device to measure "oral air movements". |
| Contributor |
This collection has no playable audio.