September 17, 2012

Emptied frames, or plates photographed through printed tissue.

Throughout Picturesque Views on the River Thames: From Its Source in Gloucestershire to the Nore, with Observations on the Public Buildings and Other Works of Art in Its Vicinity by Samuel Ireland (1792). Original from Oxford University. Digitized January 23, 2007.

August 30, 2012

Foxing.

From the tissue covering the frontispiece to The Stage Coach: or, The Road of Life by John Mills (1843). Original from Oxford University. Digitized October 3, 2006.