Crystal Card for studying snow conditions with a bubble inclinometer for slope angles.
Attached bubble level replaces cord and plumb bob inclinometer technique. 40 ft contour scale for converting topo contours into slope angle printed on back of card. Directions included. 4inch x 4inch
- Bubble Sight for easy use
- Small and light weight
- Topo contour converter
- 1mm and 2mm crystal