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86 Feb 7 A busy day straightening up belated correspondence and 'phoning with [[red underline]] Rossi [[/red underline]] about conditions and problems at [[red underline]] Perth Amboy. [[/red underline]] Hooker at 'phone wants me to go to [[red underline]] Washington [[red underline]] with him to meet again people whom he has [[red underline]] bored to death [[/red underline]] before Feb. 8. Busy here all day. Feb. 9. Discussing [[strikethrough]] late [[/strikethrough]] results of [[red underline]] transparent C with Gotthelf [[/red underline]] there are some good symptoms of material made October 1917 and turned into bits which was made with 40% [[red underline]] Hexa and phenol [[/red underline]] and 60. [[red underline]] Terpin hydrate [[/red underline]] or 60 [[red underline]] Benzyl benzoate. [[/red underline]] None has cracked thus far neither on the bone threads nor the tennons, of those [[end page]] [[start page]] 87 samples which were molded as bits and then sent to DeMuth. Those [[strikethrough]] of [[/strikethrough]] cast in big blocks on the contrary have cracked. Told to [[red underline]] Gotthelf [[/red underline]] to repeat same proportions but using less than say 35% and 30% Also try to make Phtalyl esther for instance [[strikethrough]] Phal [[/strikethrough]] [[red underline]] Phtalyl acetate, Phtalyl phthalate, [[/red underline]] or Benzyl-phtalate or acetates of [[mainutose?]] or the sugar group, so as to have cheaper or less volatile esthers than benzoylbenzoate. [[black underline]] Feb. 10. [[/black underline]](Sunday) Clairette here.- Spent day study and reading. [[red underline]] River still frozen over. People crossing it regularly. [[/red underline]] Feb. 11. Milder. Another coalless enforced [[red underline]] stop day for factories [[/red underline]] Feb. 12. [[strikethrough]] Lincolns B [[/strikethrough]] Lincoln's Birthday. [[red underline]] The Russians have made sepa-