Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Text book of a course of lectures, on the theory and practice of physic: for the use of the medical students of Harvard University (Part 1)
Text book of a course of lectures, on the theory and practice of physic: for the use of the medical students of Harvard University (Part 1)