EDL Tach-X; EDL Flash-X
Subtitle: teacher's guide
By: Stanford E. Taylor, Helen Frackenpohl
Contributors: Frackenpohl, Helen; Educational Developmental Laboratories
Publisher: Educational Developmental Laborarories
Published: 1960
Place of publication: Huntington, N.Y
Language: eng
Number of pages: 27
Subjects: Visual education; Reading; Aids and devices; Reading machines; Tachistoscope