Google+: Letters of Note - The Skills of Leonardo da Vinci

Another Letters of Note post via Daniel's Google+ on this friday.

Letters of Note - The skills of Leonardo de Vinci

(yes I also did notice the typo: It's "da Vinci" and not "de Vinci")

Here's the Link: The Skills of Leonardo da Vinci

The Google+ link at this page is Dan's post shared via this site's Google+ page.