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.
A caricature of class distinction: Three men, each smoking a pipe, as the quality of clothing deteriorates, indicating the social status of each man, so shortens his pipe.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)