An improved electronic pantographE Eidelberg and F Davis
A device was developed to permit simultaneous observations of a microscopic field, under any light optic conditions, and permanent recording of the relative X-Y coordinates of the center of the field. A modification is described that allows gray scale values to be assigned to the plots. The system can be readily adapted to digital computer data entry.
Volume 25,
Issue 8,
pp. 1016-1018,
08/01/1977
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