Features include a see-through base and rotating, liquid filled housing. Base contains scales in inches, milimeter and 1:25,000. Jeweled needle and luminous pointer.
- 平板指北針,內含 1:25000 比例尺
- 夜光指針
Features include a see-through base and rotating, liquid filled housing. Base contains scales in inches, milimeter and 1:25,000. Jeweled needle and luminous pointer.