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[[red underline]] cussing terms etc. same [[strikethrough]] susp [[/strikethrough]] suspicious non-committing attitude The man makes me tired. [[/red underline]] Invited him for lunch. Showed him some samples and technical effects in laboratory. He was [[strikethrough]] June 6 [[/strikethrough]] very careful [[red underline]] not to let me have one of his samples nor even to let me smell when he submitted a stick to a flame to show [[/red underline]] [[2 red !! in left margin]] that it was not easily inflammable. His stick behaved about as bakelite but [[strikethrough]] remaine [[/strikethrough]] did [[strikethrough]] not undergo [[/strikethrough]] remained [[red underline]] slightly firmer [[/red underline]] when heated in a flame. His stick was yellowish opaque. Tells me [[red underline]] opacity sets [[/red underline]] in when final harde-
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ning takes place and he only succeeds in keeping them [[red underline]] transparent [[/red underline]] if he adds [[red underline]] phenol or resorcinol [[/red underline]]
I showed him how to prepare liquid A made from NaOH 4 gr. phenol 100. formaldehyde 80 and Gothelf made the preparation before him and I gave him a bottle with directions how to use it after hardening without pressure.
[[red underline]] Gothelf [[/red underline]] showed him a petty disc, dark red made from such material in 1912 and which has stood [[red underline]] in concentrated sulphuric acid for 7 years [[/red underline]] without the slightest deterioration. Showed him also our new [[red underline]] C20 [[/red underline]] and told him it