CSM/LM Operational Data Book, Volume IV, EMU Data Book. NASA/MSC, 1971. Approx. 8 x 10 in. with tab appendix dividers. Describes the Extravehicular Mobility Unit (EMU) Apollo spacesuit A7LB configuration with illustrations and performance data. Includes Command Module and Lunar Module suit versions with added amendments written during the Apollo program. Five appendices cover performance data on each suit configuration used on Apollo 11 through 15.