Extremes And Greys Their Intermediates Thus Black And White Are





constituted of, and comprise latently, the principles of all colours,

and accompany them in their depth and brilliancy as shade and light.





Extracted From The Bignonia Chica By Boiling Its Leaves In Water Ferrocyanide Of Iron &c Was Accidentally Discovered In 1710 By facebooktwittergoogle_plusredditpinterestlinkedinmail

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