Читать книгу Visual Signaling - United States. Army. Signal Corps - Страница 2

Chapter I.

Chapter II.

THE WAND.

THE FLAG KIT.

THE HELIOGRAPH.

THE ACETYLENE LANTERN.

ROCKETS AND SHELLS.

THE SEMAPHORE.

THE SEARCHLIGHT.

COSTON SIGNALS.

VERY'S NIGHT SIGNALS.

THE ARDOIS SYSTEM.

SOUND SIGNALS.

IMPROVISED SIGNALING METHODS.

Chapter III.

SIGNAL ALPHABETS.

EXECUTION OF SIGNAL ALPHABETS.

THE MORSE ALPHABETS.

TO SIGNAL WITH THE HELIOGRAPH OR FLASH LANTERN.

INTERNATIONAL CODE OF SIGNALS.

THE ARDOIS SYSTEM.

COSTON SIGNALS.

VERY'S NIGHT SIGNALS.

ROCKET SIGNALING.

Chapter IV.

INSTRUCTIONS TO OPERATORS.

Chapter V.

LOCATION OF STATIONS.

FINDING A STATION.

OPERATION OF STATIONS.

Chapter VI.

CODES IN USE.

EMPLOYMENT OF CODES.

CIPHER CODE.

THE WAR DEPARTMENT CODE.

CIPHER CODE IN FIELD WORK.

FIELD CIPHERS.

CIPHER APPARATUS.

THE MATHEMATICAL CIPHER.

THE ROUTE CIPHER.

CIPHER DETECTION.

Employment of Cipher Disk.

Chapter VII.

Reflection—refraction—lenses.

FOCUS—OPTICAL CENTER.

IMAGE—CONJUGATE FOCI.

LAW OF FOCI.

FORMATION OF IMAGE.

SPHERICAL ABERRATION.

CHROMATIC ABERRATION.

TELESCOPES.

GALILEAN FIELD GLASSES AND TELESCOPES.

PORRO PRISM FIELD GLASSES AND TELESCOPES.

FIELD GLASSES.

PROPERTIES OF TELESCOPES AND FIELD GLASSES.

FIELD GLASSES AND TELESCOPES ISSUED BY THE SIGNAL CORPS.

TELESCOPES ISSUED BY THE SIGNAL CORPS.

GENERAL SPECIFICATION NO. 263.