Item is a bound report aggregating information about silver ion concentrations. Includes the following sub-reports: "Report on the determination of silver ion concentration as made in film emul. dept., Kodak Park" by Burton Barcliff (published by Eastman Kodak Co., 1937); "Preparation of Ag/AgCl Reference Half-cell for portable pAg meter"; an excerpt from the Beckman Bulletin (August 1950); "Report on the use of concentration cells in measurements of silver ion concentrations (May 23, 1939); and miscellaneous notes, correspondence, and photographic prints.

Item is an illustrated report written on May 17, 1950 by G.A. Stone of the Department of Manufacturing Experiments and C.F. Vilbrandt of the Film Emulsion Department.

Item is a report by J.I. Crabtree and Glenn E. Matthews of Eastman Kodak Company, Rochester, N.Y. Report was "reprinted from Industrial and Engineering Chemistry, vol. 15, no. 7, July 1923."

Item is a report published in 1930 by the Eastman Kodak Company.

Item is a report published in January, 1939 by the Motion Picture Film Department, Hollywood, California, a division of Eastman Kodak Company.