An Inquiry Into the Cause of Natural Death, Or, Death from Old Age ; Developing a New and Certain Method of Preventing the Consolidation or Ossification of the Body, and of Thus Indefinitely Prolonging Vigorous, Elastic and Bouyant Health

An Inquiry Into the Cause of Natural Death, Or, Death from Old Age ; Developing a New and Certain Method of Preventing the Consolidation or Ossification of the Body, and of Thus Indefinitely Prolonging Vigorous, Elastic and Bouyant Health