ID: 
9
Maker's Name: 
anonymous
Dimensions: 
15 × 4 × 8 cm

The Abney level is a handy instrument for rough surveys and distance measurements suitable for gardeners,  foresters, roadbuilders etc. A  spirit bubblelevel on the protractor axis can be viewed with a telescope at the same time as a distant object, allowing the latter's elevation to be determined. Also known as an inclinometer. Used in former UQ Surveying Dept.