Revised specifications for Adair's broadcasting plan for Ethiopia.
Contributors: YaʼItyoṗyā neguśa nagaśt mangeśt yatélékomunikéšen bord.
Publisher: Imperial Board of Telecommunications of Ethiopia?
Published: 1959
Place of publication: [Addis Ababa?
Language: eng
Number of pages: 140
Subjects: Radio -- Transmitters and transmission -- Contracts and specifications -- Ethiopia.
Notes: Cover title.