(DELETED) RE SONO-GRAPH, SONALATOR, AND SONA-STRETCHER

SIA.NOARD rvizto NO 64 samestemtqww.�. z/<5. Office Menzorandum � U N 1TED STATES/G-'oVERNMEN T TO AD/03I Attention: FROM : Depu roec rity Officer SUBJECT: DATE: 27 July 1951 There is aitached a t sated 26 June 1951 concerning a demonstration of an electronic unit known as the ig "Sono-Graph," the "Sonalator" and the "Som.-Stretcher." This report is referred as being of possible interest in connection with research under Project Bluebird...