A system of shorthand in which the vowels are expressed in the consonant stems by making the latter of different lengths
- publisher: [Pittsburg?]
- creator: Porter, John T. (John Thomas), b. 1844
- Keyword: Shorthand.
- years: 1896]
- pages: [107] p.
- class: Z56
- notes: "The second edition of Stem-vowel shorthand."
- download: pdf file
