Sup. | December 13, 1937s

iibiliniak dts tone
Hutchinson City Schocis,

Hutchingon, Kausaée
Deax litte Geman &

| ‘Thank you for the retura of the blue primte x
assure you that you are quite welcomes

Now, in regard te the aixture of canposition
on the track. During the building of the stediua I was very closely
associated with the engineer, and we took separate mixtures of
Ginders end clay sufficient to-make binderse We hed about twenty ~
Plat wooden boxes and we tock the Tinely ground cinders end made a
mixture of three parts of cinders and one part of clays fow parts
of cinders end one part of clay; ard five parts of cinders and one
part of clay.

best. Of course, in our experiments we mixed then by hand, then we
would water the mixture and leave it out in the sua to set. We
then detemzined which wes the better binders

 

| gebtainly very cheap.
I saw your brother et Ottawa night, and
had e fine visit with hins erwin
oe ee Cee

With every good wish, I an

Sincerely yours,

| Varsit Raaketiet)