This article introduces the "Timekumpas," a small, cigarette-lighter-sized equatorial dial patented in 1926. While it lacks precision due to its size, it is notable for being a universal instrument designed to allow for latitude, longitude, equation of time, and magnetic variation, making a "noble effort" to create a sophisticated, portable standard time indicator.
Dials: Equatorial,
Dials: Heliochronometer,
Dials: Portable,
Historical Dials