Lecture, in the (English) Copyright Act,1911, includes address, speech and sermon, and 'delivery,' in the case of a lecture, includes delivery by means of any mechanical instrument [s. 35 (1)]; and see ss. 1 (2), 2 (1) (v.), 17. Consult Macgillivray on the Copyright Act, 1911.
It includes address, speech and sermon. [Copyright Act, 1957 (4 of 1957), s. 2 (n)]