Institute for Human Adjustment; Dr. Wilma Donahue, March 1948
News and Information Services (University of Michigan) records
University of Michigan. News and Information Services
On negative sleeve: DIAGRAMS WHICH BLIND CAN 'READ'--Diagrams embossed on aluminum foil by the Faximile visograph, now being used for experimental study at the University of Michigan, as they appear before the foil is removed from the machine. these diagrams have been enlarged four times over the size of the sheet of "copy" inserted in the visagraph. They are embossed so that the blind can follow them by touch rather than sight
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