Jean Castaing
id:
jean-castaing-253-6307319
title:
Jean Castaing
text:
Jean Castaing was a French engineer and inventor of the Castaing machine, a device used to add edge lettering to coins. Though edge lettering had existed for over a century, the earliest methods were costly and time-consuming. In 1649, Peter Blondeau introduced a new method at the Royal Mint in England, which he kept secret. Later, in 1685, Castaing proposed that his machine be used in the mints of France. His proposal was approved, and Castaing later became general manager of all the mints in t
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Jean_Castaing
date created:
date modified:
2023-02-15T04:12:57Z
main entity:
{"identifier":"Q27031344","url":"https://www.wikidata.org/entity/Q27031344"}
image:
fields total:
13
integrity:
13