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Eavesdropping Detection and Counterespionage Consulting enquiries are invited from corporate, government and professional security entities.

TSCM Eavesdropping Detection and TSCM Services US FlagFor federal procurement purposes, U.S. Government regulations classify Murray Associates Counterespionage as a Small Business, Professional Consulting Firm.

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Spybusters, LLC dba
Murray Associates
PO Box 668
Oldwick, NJ 08858
(USA)




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AUDIOTECHNICS
1841 BROADWAY
NEW YORK CITY, 23
COLUMBUS 5-2938


Consultants on All Electronic Problems.
Specialists in Investigations
Requiring Electronic Devices.

NEW DETECTION EQUIPMENT (1960)


MIDGET POCKET DICTOGRAPH

“A new departure in civil and criminal detection methods, which is being used successfully by New York City police detectives.”

This complete unit can be easily concealed on the body and can be used instantly and unobtrusively in all circumstances. Its performance is superior to that obtained by using large, cumbersome devices.

The device is furnished complete in carrying case and consists of a midget high power amplifier with small pocket size batteries, two tiny receivers which fit in the ear and can be used either dual or individually, together with the followings attachments:

1. An induction coil for picking up both ends of telephone conversations without any physical connection to the instrument or wires. Both ends of a telephone conversation can be picked up through a solid wall and listened to in an adjacent room. Both ends of a telephone conversation taking place in a telephone booth can be picked up by standing outside of the booth or occupying the adjacent booth. Both ends of the telephone conversations can be picked up anywhere along a telephone wire or at a telephone terminal box without any connection to the wire.

2. A contact microphone is included for listening to room conversations through solid walls and doors.

3. A standard small acoustical microphone is included for concealed microphone work or for listening through key holes or at door jambs.

(Price $185.00) F.O.B. New York City


DOUBLE PEN REGISTER AND LISTENING UNIT
(Used for observing telephones)

This device is used by the New York City Police and other law enforcement agencies. It can be used to tap six lines simultaneously. The double pen records the pulses of two dial lines simultaneously. The pulses are registered on a paper tape and the exchange and number called can be easily determined by counting the pulses printed.

The input of the unit is of sufficiently high impedance to permit observing without detection or suspicion. This machine is substantially built, is trouble free in operation and comes completely equipped with six connecting cords and two split sets of ear phones.

(Price $495.00) F.O.B. New York City



HANDY TELEPHONE LISTENING UNIT

This little device can be carried in your vest pocket and is used for making a direct tap either on the wires or on the lugs in telephone terminal boxes. It consists of a tiny receiver which fits in the ear and is wired with a small condenser which permits use without suspicion.

(Price $22.50) F.O.B. New York City


FOLDING TELEPHONE HANDSET
Aviometer Style 9619 Folding Handset

Features....
STURDY, LIGHT, STREAMLINED MICROPHONE AND RECEIVER

Both of moulded high-impact Bakelite. Stainless steel handle is fully adjustable for maximum noise discrimination and full output. Folded unit fits the pocket.

DESCRIPTION
Transmitter:
All positional electronic type carbon unit, replaceable sealed cartridge. Uniform response, moisture proofed, altitude and temperature compensated.

Receiver:
Uniflux lightweight design, damped response, moisture proofed, altitude and temperature compensated. 300 ohm impedance.

Switch:
Aviometer detent press -to-listen, single-pole single throw

Price: $42.50 F.O.B. N.Y.C.



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