tjowens: @wynkenhimself @amandafrench so you guys are not buying this idea of a pre 1610 envelope? http://t.co/Bllr6NQF

chromaticities: Galileo GALILEI. Autograph notes…

chromaticities: “ Galileo GALILEI. Autograph notes on the satellites of Jupiter, 14–25 January 1611 Purchased by J. P. Morgan, Jr. in 1928; MA…

Article source: http://twitter.com/tjowens/statuses/292268033156714496