Report by Mr. . Hedley, I.S.O.; M.I.E.E. on an "All Island" telephone system

Report by Mr. . Hedley, I.S.O.; M.I.E.E. on an "All Island" telephone system - Kingston, Jamaica Government Printing Office 1937 - cover-title, 15 pages 2 maps 33 cm

F 384 / Ja H455

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