September 25, 2013
Stamp ink transferred to facing page. 
From the back matter of The Works of Laurence Sterne: The Life and Opinions of Tristram Shandy by Laurence Sterne (1790). Original from Princeton University. Digitized October 19, 2009.

Stamp ink transferred to facing page. 

From the back matter of The Works of Laurence Sterne: The Life and Opinions of Tristram Shandy by Laurence Sterne (1790). Original from Princeton University. Digitized October 19, 2009.

July 20, 2013
Rips, tears, and a few different colors of mold.
From the front matter of Cielo Espiritual, Trino y Uno by Pedro de Jesús María (1672). Original from the Complutense University of Madrid. Digitized December 2, 2009.

Rips, tears, and a few different colors of mold.

From the front matter of Cielo Espiritual, Trino y Uno by Pedro de Jesús María (1672). Original from the Complutense University of Madrid. Digitized December 2, 2009.

May 29, 2013

Stains.

Throughout How the Children Raised the Wind by Edna Lyall (1896). Original from Harvard University. Digitized April 24, 2008.

January 15, 2013
Autolink includes splotches and handwritten call number.
From the table of contents and illustrations of Collections of the State Historical Society of Wisconsin, v. 12, ed. by Reuben Gold Thwaites (1892). Original from the University of Wisconsin - Madison. Digitized September 28, 2011.

Autolink includes splotches and handwritten call number.

From the table of contents and illustrations of Collections of the State Historical Society of Wisconsin, v. 12, ed. by Reuben Gold Thwaites (1892). Original from the University of Wisconsin - Madison. Digitized September 28, 2011.

August 1, 2012

Foxing.

From Robinson Crusoé by Daniel Defoe (1836). Original from Barcelona Athenaeum Library. Digitized February 11, 2010.

August 16, 2011

Snowflake effect; light spots and textual ghosts on darker page ground (mold or aging?).

From various pages of Executive Documents Printed by Order of the House of Representatives at the First Session of the Twenty-Second Congress … in 7 Volumes, v.3 (1832). [Here]

July 27, 2011
Mold spotting on final page
From p.492 of The Rural Economy of the Midland Counties by William Marshall (1790). [Here]

Mold spotting on final page

From p.492 of The Rural Economy of the Midland Counties by William Marshall (1790). [Here]

June 8, 2011
Spotted pages (dirt? mold?) with New York Public Library artifacts
From front matter of The Pin-Basket to the Children of Thespis by Pasquin (1797). [Here]

Spotted pages (dirt? mold?) with New York Public Library artifacts

From front matter of The Pin-Basket to the Children of Thespis by Pasquin (1797). [Here]

May 30, 2011
Endpaper with filter (and mold?)
From front matter of Fabulae Graeco-Latinae by Aesop (1812). [Here]

Endpaper with filter (and mold?)

From front matter of Fabulae Graeco-Latinae by Aesop (1812). [Here]

May 14, 2011
Mold-spotted pages digitized in black and white
From front matter of American Journal of Science, v.8 (1824). [Here]

Mold-spotted pages digitized in black and white

From front matter of American Journal of Science, v.8 (1824). [Here]