Login
From:
en.m.wikipedia.org
(Uncensored)
subscribe
Hansen Writing Ball - Wikipedia
https://en.m.wikipedia.org/wiki/Hansen_Writing_Ball
links
backlinks
Roast topics
Find topics
Find it!
The writing ball (Danish: skrivekugle) was invented in 1865 by the reverend Rasmus Malling-Hansen (1835–1890) principal of the Royal Institute for the Deaf-Mutes in Copenhagen.
