Explain the usage of clinometer?(general Japensen book)?

A clinometer is a device used to measure angles of elevation or inclination. In a general Japanese book, a clinometer may be used in various applications such as surveying, construction, forestry, and navigation.

In surveying, a clinometer can be used to measure the slope of the land or the height of a structure. In construction, it can be used to ensure that buildings are constructed at the correct angle. In forestry, a clinometer can be used to measure the height of trees or the slope of the terrain. In navigation, it can be used to determine the angle of a ship or aircraft in relation to the horizon.

Overall, a clinometer is a versatile tool that can be used in a wide range of applications to measure angles accurately and efficiently.