war department technical manual Personnel classification tests Coast artillery drills. Vol. I : Tests for magslip transmission Signal training. Vol. IV: Signal training pamphlets which will contain the latest ideas on subjects with in signal training : Principles of construction Instruments for testing optical and fire control instruments : Section W 5 Instruments for testing optical and fire control instruments : Section W 5 : Amendments to the Vocabulary of Army Ordnance Stores with instructions relating thereto …