A printed journal contaiining the following contents: * Homochromatic Spectrophotometry in the Extreme Ultra-violet (George R. Harrison and Philip A. Leighton) * Parallax Panoramagrams Made Without Relative Movement of Lens, Grating or Sensitive Plate (Herbert E. Ives) * The Chromoliniscope Revisited (Herbert E. Ives) * Some Experiemtns in Mobile Color (G.A. Snook) Images include L.A. Jones, E.C. Crittenden, L.B. Tuckerman, Adolph Lamb, Paul D. Foote. Irvine C. Gardner, Arthur H. Compton. Paul E. Klopsteg. Edgar D. Tilver, Irwin G. Priest, F.K. Rightmyer, Bell System Telephones non-fictionoptical society of americal, e l.a. jones, e.c. crittenden, l.b. tuckerman, adolph lamb, paul d. foote. irvine c. gardner, arthur h. compton. paul e. klopsteg. edgar d. tilver, irwin g. priest, f.k. rightmyer, bell system telephones