In the UK and in Canada, there is just one small company left that makes carbon paper. In the USA, there are two.

#otd in 1806, Carbon paper was patented in London by inventor Ralph Wedgewood. 10 things you might not know about carbon paper:

https://topicaltens.blogspot.com/2020/10/7-october-carbon-paper.html

#Facts #CarbonPaper #Stationery