Chapter II: Visual signaling equipment

The wand 11
The flag kit:
The 2-foot flag kit 12
The 4-foot flag kit 12
Care of flag material 13
Powers and limitations of flag signaling 13
The heliograph:
Historical 14
Description 14
Assembling 17
Adjustment 20
Operation 21
Care of apparatus 22
Powers and limitations of the heliograph 22
The signal lantern:
Acetylene 23
Calcium carbide 23
Method of gas generation 24
Description 25
Operation and care 30
Powers and limitations of the signal lantern 35
Rockets and shells:
Description 35
Operation 38
Employment 40
The semaphore: Description 40
The searchlight: Methods of employment 41
The Coston signals 41
Very's night signals 42
The Ardois system of signaling 42
Sound signals 44
Improvised signal methods 44