April 22, 2013
Arithmetic.
From p. 1 of The Cork Remembrancer by John Fitzgerald (1783). Original from the New York Public Library. Digitized October 18, 2007.

Arithmetic.

From p. 1 of The Cork Remembrancer by John Fitzgerald (1783). Original from the New York Public Library. Digitized October 18, 2007.

April 15, 2013
Neon ephemera.
Between p. 3 and 4 of A New Compendium of the Whole Art of Practical Navigation; Containing the Elements of Plain Trigonometry, and It’s Application to Plain, Mercator’s and Middle-latitude Sailing by William Jones (1702). Original from Oxford University. Digitized February 27, 2009.

Neon ephemera.

Between p. 3 and 4 of A New Compendium of the Whole Art of Practical Navigation; Containing the Elements of Plain Trigonometry, and It’s Application to Plain, Mercator’s and Middle-latitude Sailing by William Jones (1702). Original from Oxford University. Digitized February 27, 2009.

April 13, 2013
Working out some algebra in the endpapers.
From the back matter of The Boy’s Own Book: A Complete Encyclopedia of All the Diversions, Athletic, Scientific, and Recreative, of Boyhood and Youth by William Clarke (1829). Original from Oxford University. Digitized October 31, 2007.

Working out some algebra in the endpapers.

From the back matter of The Boy’s Own Book: A Complete Encyclopedia of All the Diversions, Athletic, Scientific, and Recreative, of Boyhood and Youth by William Clarke (1829). Original from Oxford University. Digitized October 31, 2007.

January 22, 2013

Novel geometries (plates left folded).

Throughout Tracts: Physical and Mathematical by Matthew Stewart (1761). Original from the University of Michigan. Digitized June 11, 2007.

July 21, 2012

Scribbles, doodles, and drawings everywhere

Throughout The Principles of Arithmetic by Joseph Ray (1856). Original from Harvard University. Digitized February 6, 2007.

More:

May 29, 2012
Arithmetic.
From the back matter of American Historical Tales for Youth by Francis Lister Hawks (1801). Original from the New York Public Library. Digitized June 12, 2007.

Arithmetic.

From the back matter of American Historical Tales for Youth by Francis Lister Hawks (1801). Original from the New York Public Library. Digitized June 12, 2007.

March 28, 2012
Paper obscures text.
From p. 4 of A Short Treatise of the General Laws of Motion and Centripetal Forces by George Pirrie (1720). Original from the University of Michigan. Digitized June 11, 2007.

Paper obscures text.

From p. 4 of A Short Treatise of the General Laws of Motion and Centripetal Forces by George Pirrie (1720). Original from the University of Michigan. Digitized June 11, 2007.

March 1, 2012
Math worked through in the endpapers.
From College Algebra, v. 2, by Henry Lewis Rietz and Arthur Robert Crathorne (1919).

Math worked through in the endpapers.

From College Algebra, v. 2, by Henry Lewis Rietz and Arthur Robert Crathorne (1919).

January 6, 2012
Title page with arithmetic.
From Four Figure Mathematical Tables by J. T. Bottomley (1887).

Title page with arithmetic.

From Four Figure Mathematical Tables by J. T. Bottomley (1887).

August 18, 2011
Arithmetic penciled in endpapers.
From back matter of American Practical Navigator by Nathaniel Bowditch and Jonathan Ingersoll Bowditch (1841). [Here]

Arithmetic penciled in endpapers.

From back matter of American Practical Navigator by Nathaniel Bowditch and Jonathan Ingersoll Bowditch (1841). [Here]