Invicta MK1 Clinometer
![Invicta MK1 Clinometer](http://www.invictaeducationshop.com/cdn/shop/products/Invicta_MK_Clinometer_5_{width}x.jpg?v=1653576792)
Invicta MK1 Clinometer
IP025059Invicta MK1 Clinometer. Traditional lightweight angle-measuring instrument
to calculate heights.