Viewing page 5 of 100

This transcription has been completed. Contact us with corrections.

[[start page]]
4
lunch at Drug Club 
Afterwards [[red underline]] Mess. Porter Bozelli, and Mr. Peters [[/red underline]] of Tartar Chemical Co came to consult me for acid proof lining 
Then went with Dudley to [[inserted above line]] Glenn [[/inserted above line]] Williamson to see latest results of his [[strikethrough]] tests [[/strikethrough]] experiments for [[red underline]] Bakelite Newspaper matrixes. which [[/red underline]] seem now almost ready for use. He asks us how to suggest ink which would be brought out by simple heating so as to save cost and complication of printers ink
[[end page]]
[[start page]] 
[[in pencil]] 5  [[/in pencil]]
He says "The World" one day printed supplement with dilute H2SO4 and when heated the printed invisible matter became quite dark. I suggested to spray dilute H2SO4 on paper then pass through hot matrix then spray dilute Mn2CO3. or silicate or borax so as to neutralize remaining acid.
[[vertical line in margin highlighting remainder of this day's entry]]
Home with 5 [[underlined superscript]]45[[/underlined superscript]] P.M. Feel very nervous and tired and did not sleep well. 
Oct. 5 Busy in lab until 10 A.M. then took lunch
[[end page]]