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Abney Levels & Optical Squares

                            
                  
             Abney Level                   Ideal for Preliminary Survey Landscaping   
or DIY Work where the
determination of Slope Angle
and Percentage of Grade is
required.
With 1 1/8" Radius Arc
Graduated 0-90 Degrees in
both directions and with
Vernier Reading to 10 Minutes
and Percent of Grade Scale from
0 to 100 Percent.

                                                                                                                                                       
                                                                                                                                                     





















 

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