Pennsylvania: the descent

The first science book written in British North America was the work of the botanist William Bartram (1739-1823), a Philadelphia Quaker. Still in print, the book is usually referred to as Bartram’s Travels, but its full title, in the commodious style of the eighteenth century, is 

The book was an important influence on a number of English Romantic authors, notably Coleridge. Read a century after Romanticism, its vistas of the past are now not just vividly evocative but poignant: the battle of the alligators; the virgin forests of magnolia filled with the cry of the now extinct Carolina parakeet.

And if you read Bartram you’ll learn too that what the title calls extensive territories were home to a fully developed culture, now extirpated. About that your reading matter is this ephemeral item dating from May 23, 2021.

Synthetic Cézanne: its components

Perspective with vanishing point

Shingles on short diagonals

Catenary straightening in the light

Rounded mountain:


Altoona left A

Altoona right A








Altoona anaglyph
Joseph M. Wilson, 1860: “View in Altoona [Pennsylvania], from the 3rd story west window of the Logan House. Allegheny Mts in the distance.” Charles F. Himes collection of stereographs by amateur photographers, Library of Congress, Requires anaglyphic (red and blue) stereo viewer.