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
F 384 / Ja H455