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THIS ARTICLE with its illustrations was received from Mr. Ohas. B. Barnett whose letter of transmission says: " I am sending an article, just received from my son, Pte. M. K. Barnett, who is now
serving in France, together with two drawings which he has been able to make in a cellar there." Mr.
Barnett will be recognized as the contributor of several drawings of warships which have been published in the SCIENTIFIC AMEBICAN.--EDITOR.
The Ships of Our New Naval Program
International Scientific Relations After the War
Ozone as an Antiseptic
and more
By Our Military Expert
Some Remarks on the Mechanics and Psychology of Seeing
A New Weapon Which May Break up the Deadlock of Trench Warfare
[the article follows the earliest battle use of tanks, during offensives on the Somme in September 1916. The images are artists conceptions and bear little resemblance to the actual vehicles used]
Personal Experiences of a Volunteer at Verdun
By Neal Truslow
What the Bureau of Standards has Done for the Clay Industries
German Thymol Now Produced from American Horsemint