Citations:phthongometer


 * 1858,, History of Scientific Ideas: Being the First Part of the Philosophy of the Inductive Sciences (third edition), volume I of II, book IV, chapter IV, § VI, article 23, page 355:
 * Such an instrument so employed would be a measure of vowel quality, and might be called a Phthongometer.
 * 1861, Arnold James Cooley, A Dictionary of the English Language: Exhibiting the Orthography, Pronunciation, and Definition of Words, page 489/2, “Phthongometer”:
 * Phthongometer, thŏng-gŏmʹ-e-tĕr, s. 45, 30. A measure of vowel sounds.
 * 1865, John Stowell Adams, Adams’ New Musical Dictionary of Fifteen Thousand Technical Words, Phrases, Abbreviations, Initials, and Signs, page 175/1, “Phthongometer”:
 * Phthongometer. (Grk.) An instrument with which to measure vocal sounds.