Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
A letter concerning earthquakes / written in the year 1693 by John Flamsteed to a gentleman then residing at Turin in Savoy, on occasion of the destruction of Catanea, and many other cities, towns and villages, in Sicily, in the year 1692. Public Domain Mark. Source: Wellcome Collection.