Letter from Alex Bradford to Deputy Chief Joseph J. Davis discussing various topics related to the development of fire fighting technologies and techniques. Topics included within this correspondence include various fire fighting explosives, high pressure water pumps, and air plane fire suppression. Finally Mr. Bradford mentions testing that is to be conducted in Elmira, New York under the supervision of George Booth, chief engineer of underwriters in New York.

Correspondence between Alex Bradford and E. D. Salaun discussing a variety of factors affecting both men. In the March 29 letter, Mr. Bradford mentions that he has been overseas in Asia and Africa. As such he would no longer need to have his name attached to the A. M. Lockett & Company files. The April 4 letter from Ed Salaun to Alex Bradford states he has just returned from Corpus Christi and to reach out to him when he is back in Houston, Texas.