Project Title: 19, Effects of Radiation on Living Organisms Radiosensitivity of Immune Responses and Mechanisms of Immune Reactions RX-03-O1-(b) Description and Explanation of Major Materials, Equipment and Subcontract Items: FY 1975 Capital Equipment: Capital equipment requirements include $24,000 for one third interest in the high capacity preparative ultracentrifuge described more fully in RX-03O2-(a). Also, because of shared usage of the autoradiographic grain counter and cyto-analyzing apparatus described in RX-01-03-(d), $25,000 is prorated to this activity. 20. Proposed Obligations for Related Construction Projects: None ' RX-182 1119215