Partial vowel chart for Linguistics 331/Anthropology 470 (1962)

Collection Descriptive Notes
A young man identified only as "Mr.Robinson" voices 200 examples of "lower, front, central, rounded and unrounded vowels", each given twice.
Collection Technical Notes
Tape was (apparently) recorded in the Old Lab “for Prof. Hamp’s classes” in autumn 1962. The WAVE file is converted to an MP3.
Contributor
Robison, (Mr.) [?]
This collection has no playable audio.
Title Contributor Medium
Vowel chart Robinson, [?] (speaker); Unnamed (compiler) 1/4 inch audio tape