Documents pertaining to Clarence Parmenter; Lewis DeBlois writes to Clarence Parmenter (1938)

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".
This collection has no playable audio.