NIGHT SIGNALS
Fig. 19A
Fig. 20A
The text presents weather as a systematic science and offers practical instruction for young readers to observe and understand atmospheric phenomena. It begins with simple experiments demonstrating that air is matter, has weight, and exerts pressure, then explains how those properties influence wind, storms, temperature, and precipitation. Chapters describe common meteorological instruments, measurement procedures, and methods for recording and interpreting observations to anticipate changes. The work emphasizes constructing a basic home observation station and explains how coordinated reporting and warnings support farming, navigation, and public safety.
Fig. 19A
Fig. 20A