Layouts
The DHIATENSOR layout is shown below (with alphanumeric characters only):
There were at least two layouts for the non-alphanumeric symbols . There were also versions with the QWERTY layout and other layouts .
The Dvorak letter layout has most of the consonants of its home row in DHIATENSOR order: D H T N S. The Dvorak R is in the neighboring far row, between T and N.
Read more about this topic: Blickensderfer Typewriter