The Theory And Practice Of Gunnery, Treated in a New and Easy Manner. With The Construction and Use of an Instrument for readily solving the … A Treatise On Ship-Building And Navigation. In Three Parts Wherein The Theory, Practice, and Application of all the necessary Instruments are perspicuously handled. With The … A Treatise On Ship-Building And Navigation. In Three Parts Wherein The Theory, Practise, and Application of all the necessary Instruments are perspicuously handled. With The … Instrument Drill for Predictor, Anti-Aircraft, no.1 - Engeland Voorschrift 26/GS Publications/1338 WO 7391 Instrument Drill for height and range-finder, no.3 - Engeland Voorschrift 26/GS Publications/1253 WO 7395 pamphlet Directions for the use of artillery instruments : Air burst ranging charts - Engeland Voorschrift, 26/GS Publications/957 Instrument Drill for Equipment Radar A.A. [ Anti-Aircraft] , no. 1, Mark 2. - Engeland Voorschrift 26/GS Publications/1362 WO 7397 Instrument Drill for Telescope Identification, A.A. [ Anti-Aircraft] - Engeland Voorschrift 26/GS Publications/1207 WO 7392 Instrument Drill for Predictors, A.A. [ Anti-Aircraft], nos.2 and 5 - Engeland Voorschrift 26/GS Publications/1177 WO 7394