Library

 

ULTRASONIC LISTENING DEVICE

Document Type: 
Collection: 
Document Number (FOIA) /ESDN (CREST): 
CIA-RDP80R01731R000800070021-8
Release Decision: 
RIPPUB
Original Classification: 
T
Document Page Count: 
6
Document Creation Date: 
December 19, 2016
Document Release Date: 
December 11, 2006
Sequence Number: 
21
Case Number: 
Publication Date: 
March 25, 1959
Content Type: 
MF
File: 
AttachmentSize
PDF icon CIA-RDP80R01731R000800070021-8.pdf206.3 KB
Body: 

Approved For Release 2006/12/11 : CIA-RDP80R01731 R00080
mmv,mm1 3 #cecutive Secretary
uncil
C
'
o
al Security
Nation
Ultrasonic Listening Device
i.Tr
1-
1l.R 5 sac!;
1. T%=* has been received youX s rand' ' dated 12
Bch 1953, with attests, concerning the above subject.
in light of recent develc nts in the ultrasonic field as
they relate to the Presidential Directive on this subject, it
sems approyriate that the directixee be reviemOd for the P=-