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Electromegaphone
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for Electromegaphone
Electromegaphone
Manufacturer
Manufactured by
S.G. Brown Ltd.
Date
c.1925
Object Name
Megaphone
Medium
metal
Classifications
Engineering
Dimensions
25 x 42 x 31cm
Location
View by Appointment
Object number
ABDMS088728
Keywords
Telephony
Military
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1982-1994
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OPD - Integrated Computer and Telephone Facility Keyboard and Handset
Sinclair Research Ltd
1984
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for OPD - Integrated Computer and Telephone Facility Monitor
OPD - Integrated Computer and Telephone Facility Monitor
Sinclair Research Ltd
1984
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for OPD - Integrated Computer and Telephone Facility Cartridge
OPD - Integrated Computer and Telephone Facility Cartridge
Sinclair Research Ltd
1984
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for OPD - Integrated Computer and Telephone Facility Handbook
OPD - Integrated Computer and Telephone Facility Handbook
Sinclair Research Ltd
1984
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for OPD - Integrated Computer and Telephone Facility Book on Basic Language
OPD - Integrated Computer and Telephone Facility Book on Basic Language
Sinclair Research Ltd
1984
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for OPD - Integrated Computer and Telephone Facility Welcome Package
OPD - Integrated Computer and Telephone Facility Welcome Package
Sinclair Research Ltd
1984
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for OPD - Integrated Computer and Telephone Facility Installation
OPD - Integrated Computer and Telephone Facility Installation
Sinclair Research Ltd
1984
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for OPD - Integrated Computer and Telephone Facility Advanced Operations
OPD - Integrated Computer and Telephone Facility Advanced Operations
Sinclair Research Ltd
1984
Image Not Available
for OPD - Integrated Computer and Telephone Facility Registration Card
OPD - Integrated Computer and Telephone Facility Registration Card
Sinclair Research Ltd
1984
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1977
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for Dictograph Telephone
Dictograph Telephone