Patent for transmitting sound waves by magnetic induction and to "furnish an apparatus by which these different vibrations can be heard at the receiving end" (lines 20-22). Includes descriptions and illustrations.

The last of the U.S. Army Soldier Shows "Blueprint Specials" to be published, "OK, USA" is a musical revue on the theme of U.S. soldiers returning to the United States and finding it finding it as foreign and exotic as any country overseas because they have been away and living under extreme circumstances for so long. Like the other "Blueprint Specials," this show includes a complete script (multiple copies this time); a conductor's score and complete set of instrumental parts; a sample program; set and costume designs; and detailed instructions for producing the show using whatever materials are at hand. Unlike the other "Blueprint Specials," it includes no information on the librettists, songwriters, and other staff who worked on the show.

A book about Col. William N. Selig's career as an early cinematic pioneer and movie director and founder of the film industry that became Hollywood in Los Angeles.

Report regarding an airborne gamma-radioactivity survey that took place in the 2,800 square mile area around the Los Angeles region in California. Topics include the types of bedrock noted in the area as well as their levels of radioactivity.

Map with graded color shading to show levels of naturally-occurring gamma aeroradioactivity within the Los Angeles region in California. Details about the survey and map creation are printed at right. Scale 1:250,000.