A satisfaction

                                                  It must
Be the finding of a satisfaction, and may
Be of a man skating, a woman dancing, a woman
Combing. The poem of the act of the mind.

— Wallace Stevens, “Of Modern Poetry.” The satisfying tangible blue is a small currycomb, marketed for cats and dogs under the name of Furminator.

During the nineteenth century, a period of great progress in the arts and the sciences, an ancient art form slips the surly bonds of earth

Unattributed woodcut, about 1850, in the Library of Congress at http://www.loc.gov/pictures/item/2003672999/. Photoshopped. The lines of verse are by the botanist-poet Erasmus Darwin (1731-1802), grandfather of Charles Darwin.