Notes on Signal Communications (CDS.311) December 1915

Notes on Signal Communications (CDS.311) was issued during the First World War and is 49 pages in length. The "notes" are republications of various circulars issued on Signal Communications.

Contents are

Notes on Portable Telephone D, Mark III issued by D.A.S. in November, 1914

Notes on Buried Cables issued by D.A.S. in May, 1915

Notes on Field Telephone Work issued by General Staff in June, 1915

Notes on Improved Buzzer Telephone Exchanges issued by the General Staff in September, 1915

Notes on Visual Signalling with Service Electric Lamps, issued by the General Staff in September, 1915

Notes on Signals by various Signal Officers in July, 1915

Organization of Carrier Pigeon Service, issued in August, 1915

Notes on Cables in Trenches, issued December, 1915