Signal Training. Volume III. Australian Pamphlet. no.17. Volume III. (Provisional). Wireless Set. no.108, Mk III Signal Training. Pamphlet no.28. Volume III. Wireless Station Maintenance and Fault Finding and Associated Vehicle Suppression Systems. WO 7568 Directions for the artillery instruments. Pamphlet no.4.The Radio Link S.R. Mark I. WO 7333