SUUNTO Clinometer

SUUNTO compass for measuring height, clinometers, combined height and clinometer, slopes, vertical angles. Object is silver metal with a green cover where the compass is located. White string attached. Maker’s mark is still visible on the front of the object: “SUUNTO”. There is a hole and the bottom of the object with a glass cover, a little smaller than a dime. There is a chart on the back of the object, on a darker silver plate: reads: 360 Cosine Decimals with a series of numbers. Someone has scratched “M & B” into the side of the object. The serial number of the object is visible on the back: 315367, and it is model PM 5/360 PC which is visible on the compass dial in the centre. Materials are metal, glass, plastic, textile string.