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[[preprinted]] 1953 Friday 15 May 135th Day 230 Days to come [/preprinted]] [[underlined]] Hospital [/underlined]] Isabel operated in morning. - 3 1/2 hours in operating room. I worked on TTY to X3 converter (Boolean algebra) while waiting. 5014/3 At hospital all afternoon and evening. Laddie at home with Typewriters starting on document control system. I talked with him till 10:30 on logic of system. 5307/1 Jim went on scout "Camp-o-ree" - as "grub master"