In the 17th century, woodblocks were frequently altered and reused, due mainly to their high cost.
This is particularly evident in the printing of ballads and broadsheets, where woodblock images were adapted to suit new titles.
Evidence of alteration was normally invisible in the resulting print, and detected only by reference to earlier impressions or, occasionally, by the discovery of a disrupted sequence.
In the famous illustration in Horologium Oscillatorium, alterations to its woodblock are detectable by both methods.
These alterations authenticate a copy of the first impression of Huygens' 1657 design.
However, what now should be established as an iconic if iconoclastic image of the first pendulum clock is still neglected by historians and authors.
This is no doubt due to the complexity of the evidence, the contradictory circumstances surrounding it, and, above all, the heterodoxy it suggests.
Sebastian Whitestone will seek to derive this evidence and resolve the contradictions to an audience where questions will be encouraged.
He will also endeavour to show how this evidence informs and instructs current debate on this most important and contested chapter of horological history.
Please join us in the theatre foyer for drinks at 17.30 before the lecture begins at 18.00.
Cost: Free of Charge
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Reserve tickets at this website2019-11-28 00:00 2019-11-28 00:00 Europe/London Revelation in revision | How alterations to a woodcut block change the history of Huygens’ pendulum clock invention Sebastian Whitestone will seek to derive this evidence and resolve the contradictions to an audience where questions will be encouraged. https://www.ianvisits.co.uk/calendar/2019/11/28/revelation-in-revision-how-alterations-to-a-woodcut-block-change-the-history-of-huygens-pendulum-clock-invention-205362 The British Museum,Great Russell Street, London,London,London