18th Century Sundial & Compass

Not so long ago people actually lived by sundial time. Every village and town functioned on local time, depending on local latitude. The arrival of trains and mail coach traffic created a need for coordinated time. This travel sundial needs a compass to find north. Raising the triangular gnomon upright while pointing the compass needle North will show the time. The correct time will show only if the local latitude corresponds to the angle of gnomon. More details...