Encyclopædia Britannica 1771–1860
Topic · 4 of 8 editions · peak 104 chars

OTACOUSTIC INSTRUMENT

1st2nd3rd4th5th6th7th8th
EditionAs printedTypeCharsLocationvs. previous
2nd ed. (1778–83) OTACOUSTIC INSTRUMENTarticle104vol. 8, p. 5775
3rd ed. (1797) OTACOUSTIC INSTRUMENT, or Auricular Tubesub_entry104vol. 13, p. 540
5th ed. (1815) OTACOUSTIC INSTRUMENTarticle97vol. 15, p. 588
6th ed. (1823) OTACOUSTIC INSTRUMENTarticle97vol. 15, p. 588