The tag on this machine reads “CYCON 4x5 JR. PRINTER O. P. A. CEILING PRICE $16.65 INC. FED. TAX MFG BY CYCON CORP LOS ANGELES, CALIF”

Pressing the button once turns on a red light. Pressing it again turns the white light on as well. Pressing it again turns both lights off. It works!

Includes vintage Kodak Tri-Chem instructions Eastman Kodak Company