Dictograph

Dictograph

(ˈdɪktəˌɡrɑːf; -ˌɡræf)
n
(Telecommunications) trademark a telephonic instrument for secretly monitoring or recording conversations by means of a small, sensitive, and often concealed microphone
Mentioned in ?
References in periodicals archive ?
authorized dealers, as well as Dictograph dealers and franchisees.
Tatta studied civil engineering at City College of New York before entering the job market in 1943 as an installer at Dictograph, an interoffice communications equipment company, where he worked for 23 years in positions of increasing responsibility.
an electronic security service company that has been affiliated with the Dictograph Security Systems, a division of Holmes Protection Group, Inc.
Flagg, President and Chief Executive Officer, "and facilitates our support of national accounts as well as maintaining a Dictograph presence in that area.
an electronic security service company that has been affiliated with the Dictograph Security Systems dealer program, a division of Holmes Protection Group, Inc.
This new location will function as both a Holmes and Dictograph branch office to satisfy the security needs of a wide variety of customers.
Holmes Protection installs, leases, services and monitors security systems for residential and commercial customers through out the United States, through its own offices and its Holmes and Dictograph Dealers.
Holmes Protection installs, leases, services, and monitors residential and commercial customers throughout the United States, through its own offices and its Dictograph dealers.