The age of invention
A chronicle of mechanical conquest
New Haven, CT; Yale University Press 1921
Series: The chronicles of America series
Online editions:
- hdl.handle.net/2027/aeu.ark:/13960/t7rn4qx2c
- hdl.handle.net/2027/uc2.ark:/13960/t22b8vx59
- hdl.handle.net/2027/mdp.39015062283158
- archive.org/details/ageofinventionch00thomuoft
- archive.org/details/ageofinventionch00thomiala
- archive.org/details/ageinventionach01thomgoog
- archive.org/details/ageinventionach00thomgoog
- archive.org/details/cihm_83419
- www.canadiana.ca/view/oocihm.83419
- books.google.com/books?id=2AgzAQAAMAAJ
- books.google.com/books?id=cb0LiyTZR30C