Please be advised that this is the authorized resource for Pursel's MA-level graduate thesis. The thesis is comprised of three volumes, of which only the first was officially published by the State University of New York. Language in an addendum to that first volume directs readers to this website for the remaining two volumes. For the first volume as published by the State University of New York, see "Currents of Mechanical Thought: The Clock of the Nations and Its Antecedents, 800-1962."
The first volume is also available through this website:
"Currents of Mechanical Thought: The Clock of the Nations and Its Antecedents, 800-1962," Volume I.
The thesis' second volume is exclusively available through this website:
"Currents of Mechanical Thought: The Clock of the Nations and Its Antecedents, 800-1962," Volume II.
The thesis' third volume is exclusively available through this website:
"Currents of Mechanical Thought: The Clock of the Nations and Its Antecedents, 800-1962," Volume III.
Pursel last updated this page as of March 14, 2026.