Writing and Printing
Colard Mansion (or Colart, before 1440 – after May 1484) was a 15th-century Flemish scribe and printer who worked together with William Caxton. He is known as the first printer of a book with copper engravings, and as the printer of the first books in English and French.
Flag of the Abkhaz Autonomous Soviet Socialist Republic.
International System of Units.
Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.