CHAPTER II.

EXAMINATION OF FIRST-CLASS GUNNERS 111

(_a_) The Azimuth Instrument and Definitions 111

(_b_) The Plotting-board 116

The Range-board 123

The Deflection-board 128

The Telescopic Sight 136

Wind Component 145

The Aeroscope 146

Anemometer 149

Electric Stop-watch 149

The Atmosphere-board 150

Special Apparatus for Mortars 151

Battle-ships, Armor, etc. 151

EXAMINATION FOR TORPEDO-COMPANY GUNNERS 169

Second-class Gunners 169

Service of the Piece, Nomenclature 169

Duties in the Loading-room 174

Duties on the Water 181

Magazine Rifle, Description, etc. 186

First-class Gunners 186

Care and Preservation of Mine Material 186

Handling High Explosives 189

The Azimuth Instrument and Plotting-board 190

Storage Batteries 190

Generators 190

Searchlights 190

Oil-engines 195

Apparatus and Operation of Casemate Switchboard 198

THE GUNNER'S EXAMINER.

The Gunner's Examiner · 第 2 / 5 章