[illegible] has been [illegible] make brick 3 x 3 x 4
Or 8 x 3 x 3 � 8 x 3 x 2 to answer [illegible] where the 4 inch
High brick is too large. Now this 8 x 3 x 4 = 96 cubic inches same as the
[illegible] 16 inches taken out as before described, for the
[illegible] may be thus and have 30 cubic inches
[illegible]
[illegible] to make a 13 inch [illegible]
[illegible] for the [illegible] of the outside [illegible]
Used for ties [illegible]
[illegible]
Easily [illegible] ties and metallic ties may be used as often as
Needed. In walls less than 16 inches [illegible]
Be used. Of course this plan could be adapted without any [illegible]
[illegible]
The hollow. The idea is to get the hollow [illegible]
That is by the [illegible]
Such brick would [illegible] well, etc. , etc. , etc. June 23, 1885
Finding that the size of brick which is [illegible] 
the old 2 x 4 x 8 is 2 1/2 x 4 1/2 x 8 1/2 it seems to me 
that the corwin brick A should be 10 inches long so as to 
build up a wall 8 1/2 each [illegible] and 4 1/4 inches high 
I would make my bricks then 8 1/2 x 4 1/4 x 3 so that they 
should conform to the new pattern of brick. The corwin 
brick with the hollow out would be 95. 12 cubic inches, new 
size of rectangular brick would be 90. 31 difference only 4. 81 
the cubic content of my brick for outside walls would be 78. 93 
[illegible] for inside of walls 68. 31 and perhaps might be less



