Viewing page 83 of 104

This transcription has been completed. Contact us with corrections.

[[preprinted]] 160 [[/preprinted]]
Lewis fetched me at 10:55 PM at Greystone.
Oct 29. Busy all day in lab making Carborundum Bakalite sample for Mr. Tone of [[underlined]] Carborundum Co. [[/underlined]]
[[margin]] carborundum [[/margin]]
Oct 30. Busy all day making alumdium samples for [[underlined]] Saunders. [[/underlined]] Sent Carborundum samples to Tone for Am. Express with letter as follows:
[[margin]] grinding wheels [[/margin]]
Oct 30: I received the sample of granul Carbor. and I return you per Am. Exp. prepd the results of my experiments with them  The labels on each sample indicates its composition.  They are either made with 10% or 4% Bakalite excepting
[[margin]] Carborundum [[/margin]]
[[end page]]
[[start page]]
[[preprinted]] 161 [[/preprinted]]
the finest powdered sample which does not bind with 4%
In all the samples I have tried to use a minimum of Bakalite so as to decrease the cost and specially because I am under the impression that a porous mass is desirable  But there is no reason outside of the above mentioned ones why the masses could not be made stronger and more cohesive if more Bakalite is [[strikethrough]] used [[/strikethrough]] allowable.
In order to show what can be done I added some samples made with Emeic - Bakalite - paste using the finest grade of Emeic and an abundance of Bakalite or parts of the kind can [[strikethrough]] be [[/strikethrough]] easily be applied to wood or
[[margin]] Explicit letter to Tone of Carborundum Co. [[/margin]]