TRIGONOMETER
\tɹˌɪɡənˈɒmɪtə], \tɹˌɪɡənˈɒmɪtə], \t_ɹ_ˌɪ_ɡ_ə_n_ˈɒ_m_ɪ_t_ə]\
Sort: Oldest first
-
Instrument for solution of plane right-angled triangles by inspection.
By Sir Augustus Henry
