January 20, 1944 Dri F. C. Allen, Department of Physical Education University of Kansas Dear Dr. Alien, We have measured the space we would like to have covered by a mat, and find it to be ten feet four inches by six feet. We realize it quite probable that you have mot mats of this exact size, and we want you to know that it is likely that we can use anything of that approximate size. As you know, we have in o sement a small indoor gym, and we feel a mat under it would,danger to the Saar Sincerely,