\spˈiːkɪŋ tjˈuːb], \spˈiːkɪŋ tjˈuːb], \s_p_ˈiː_k_ɪ_ŋ t_j_ˈuː_b]\
Definitions of SPEAKING TUBE
- 1874 - Etymological and pronouncing dictionary of the English language
- 1916 - Appleton's medical dictionary
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A tube inserted in the wall of a building, and carried from one apartment to another, used by men of business to convey instantly their wishes by the voice to persons in another apartment; to speak a ship, to hail or speak to, as the captain or commander of one ship to another while their ships are passing near each other at sea.
By Stormonth, James, Phelp, P. H.
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