The abney level was developed sometime late in 1869 or 1870 by sir william de wiveleslie abney as a significant improvement over the surveying tools available at that time. Our model has been handcrafted of brass.

Item Specification

• Classic Surveyor's Tool - 5 1/2" Retracted, 6 1/2" Extended
• Material: Brass
• Originally Invented by Sir William De Wiveleslie Abney Circa 1870
• Used To Measure The Grade of Unknown Geographic Slopes
• Reproduction Handcrafted by Artisan in Brass
• Decorative Item, Not Calibrated To Be Used for Exact Measurements