"This 1939 manual prescribes the duties to be performed in the service of the piece by the personnel normally assigned to one gun section of the firing battery."
"Wire is one of the principal means of communication for all field artillery except mechanized and antitank artillery. It consists of telephone or telegraph communication. All other means augment and supplement wire."
"The Manual for the Meteorological Observer is an elementary text, which has been prepared for the purpose of training men asigned to the meteorological sections of the Signal Corps to become proficient observers of the elements of the weather."