Monastic Alarm Clock


Brass and iron, 9.85 (h) in [25 (h) cm]

Execution of the clock is to be traced back to end of 14th/early 15th century, Italy – hereto, the oldest example of a mechanical clock.


BEDINI, S.A., MADDISON, F. R., Mechanical Universe. The Astrarium of Giovanni de’ Dondi, in
Transactions of the American Philosophical Society, Philadelphia, October 1966, New Series –
Volume 56, Part 5, p. 11, fig. 10;
DEL VECCHIO, G.C., Uno svegliatore Monastico recentemente reperto, Rome, taken from “La
Clessidra”, Anno XX, N. 11, 1964, pp. 69-70, fig. 2;
EDWARDES, E. L., Weight-driven Chamber Clocks of the Middle Ages and Renaissance, U.K., 1965,
John Sharratt & Son, pp. 19-34, plates 3/4;
GOOD, RICHARD, Clocks: An Owner’s Handbook, London, British Museum Press, November
1985, pp. 118-119;
MORPURGO, E., Dizionario degli Orologiai Italiani, Milan, 1974, p. 206;
SIMONI, A., Incunabuli dell’orologeria. Gli svegliatori monastici, Rome, in “La Clessidra”, Anno
VII, N. 10, October, 1951, p. 5 – fig. 3;
SIMONI, A., Orologi dal ‘500 all’800, Milan, A. Vallardi Editore, 1965, p. 70;
VARIOUS AUTHORS, The first ordinary meeting of the Society. Exhibition of Clocks of the 15th &
16th centuries and a Paper read by Mr. C. B. Drover, in Antiquarian Horology and the proceedings
of the Antiquarian Horological Society, London, N. 1, December 1953, pp. 2, 17-18
VARIOUS AUTHORS, Le “mostre” ad ore giacenti, Milan, in “La Voce di Hora”, N. 32, June
2012, p. 5


London, Science Museum, Clocks of the 15th & 16th Centuries, 1953

Tue ‒ Thu: 09am ‒ 07pm
Fri ‒ Mon: 09am ‒ 05pm

Piazza di Spagna, 5, 00187, Roma