Note 8 — The First Self-Registering Instruments
Reading edition
R. T. Gunther, Early Science in Oxford, vol. 6, The Life and Work of Robert Hooke, pt. 1, Oxford, 1930, p. 196. In 1670, Hooke's proposed clock was referred to as "such a one, as Dr. Wren had formerly contrived" (Gunther, p. 365).