WW1 Smithsonian Exhibition Program Chemical "War Gases" Exhibit US Army Coal Tar

Description

A program for a permanent exhibit displayed at the Smithsonian, under the auspices and help of the US Army and the National Research Council, during World War 1.  In particular, the exhibit promotes the uses of coal tar extracts, one of which is "war gases" which would be the infamous mustard gas of the war.  The title page reads as follows:
AN EXHIBIT
PREPARED UNDER THE AUSPICES
OF THE
NATIONAL RESEARCH COUNCIL
WITH THE COOPERATION OF THE CHEMICAL WAR SERVICE OF
THE UNITED STATES ARMY
NOW PERMANENTLY INSTALLED AT THE SMITHSONIAN INSTITUTE
WASHINGTON, D. C.
A very rare and controversial item.
Measures approximately 8 by 5 1/4
Box J 07282021
Weight 1 ounce