Cover illustrations: Projector clock by Giuseppe Campani, most probably made for Cardinal Flavio Chigi around 1670, Private collectionâex Bedini collection (Also included as Figure 112); Detail of the signed movement of a silent night clock (1687): âJoseph Campanus inventor Romaeâ (1687), Private collection (Also included as Figure 50).
This book has been completed as part of a project that has received funding from the European Unionâs Horizon 2020 Research and Innovation Programme (GA n. 818098 TACITROOTS).
A short video on the genesis of the Campanisâ silent clock, with a special focus on the crank-lever escapement in a nocturnal clock by Pier Tommaso Campani can be found at the Brill webpage of this book:
The Library of Congress Cataloging-in-Publication Data is available online at
LC record available at
Typeface for the Latin, Greek, and Cyrillic scripts: âBrillâ. See and download:
ISSN 2405-5077
ISBN 978-90-04-46010-2 (hardback)
ISBN 978-90-04-46451-3 (e-book)
Copyright 2021 by Peter Bedini, Leandra Bedini and Cristiano Zanetti. Published by Koninklijke Brill NV, Leiden, The Netherlands.
Koninklijke Brill NV incorporates the imprints Brill, Brill Nijhoff, Brill Hotei, Brill Schöningh, Brill Fink, Brill mentis, Vandenhoeck & Ruprecht, Böhlau Verlag and V&R Unipress.
Koninklijke Brill NV reserves the right to protect this publication against unauthorized use. Requests for re-use and/or translations must be addressed to Koninklijke Brill NV via
This book is printed on acid-free paper and produced in a sustainable manner.



