This book, "A lecture on physical development, and its relations to mental and spiritual development delivered before the American Institute of Instruction, at their twenty-ninth annual meeting in Norwich, Conn., August 20, 1858", by S. R. Calthrop, is a replication of a book originally published before 1859. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.