CONFERENCE DEBATE FORECAST OF THE BOOK ON THE CLOCK OF THE CATHEDRAL OF SAINT-OMER As part of the European Heritage Days in September 2025, you are cordially invited to go to the Cathedral of Saint-Omer, north transept, facing the clock on Friday 19 September at 6 p.m. to participate in a conference on his astronomical clock from the book dedicated to him. After being welcomed by Dominique Merlier, President of the association of the Friends of the cathedral of Saint-Omer, the keystone of this collaborative and conservative book of this clock will present it to you, not as it is customary depending on the different Roll-up but, while browsing this provisional book: THE 17 660 916 000 TIC TAC OF THE CLOCK OF THE CATHEDRAL OF SAINT-OMER. This book of almost 300 pages, plus the annexes sweeps all the subjects related to this clock: its history, its mechanics (at the level of the building and the astrolabe), its dial, the movements of the sun and the moon, the sundial, the works of 1913, its various places, etc. Then and before our President launches the pre-sale of this book, we will offer you an exchange on the astronomical clock of the cathedral of Saint-Omer and its evolution in this church since the year 1386. The pre-sale of the book will continue on Saturday 20 and Sunday 21 September from 3 p.m. to 8 p.m. During these 3 days of September 2025, based on the 7 roll-ups, all your questions regarding the astronomical clock of the Saint-Omer Cathedral will be answered. See you soon then. Informations free Accessibility

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