Abney Levels / Right Angle Prisms

Abney Level with Clinometer

• Tube is 5-1/8 in long
• 1-1/8 in radius arc graduated in degrees (0-90°)
• Slope scale 1:1 to 1:10
• Padded belt-loop case
• 8047-10
• 8047-15  (With percent-of-grade scale of 0-100%)

Topographic Abney Level

• Interchangeable arcs which offer Chainable correction, degrees (0-60°) in both directions, percent of grade
• Index has friction movement for fine adjustment
• 6-3/8 in aluminum level tube extends to 7-3/8 in
• Non-glare finish
• Padded belt loop case
• 8047-45

5x Magnifying level with Stadia

• 1:100 stadia
• 7-3/4 in radius arc graduated in degrees (0-90°)
• 6-3/8 in aluminum level tube extends to 7-3/8 in
• Percent scale (0-100%) in both directions
• Easy-slide focusing motions for objective and eyepiece
• 1x3-3/4in. flat base for measuring existing grades
• Durable enamel finish
• Padded belt-loop case
• 8047-55

Right-Angle Prism

• Small and lightweight
• Single 90° prism for conveniently and quickly setting-off right angles
• Leather case
• 8047-81

Pentaprism

• Two prisms for line of sight to the right and left
• Clear optical glass between prisms for viewing straight ahead
• Fully enclosed; self-contained plum bob with cord
• Metal construction
• 8047-85

Double Right-Angle Prism

• Compact and precise-easy determination of right-angle points or rectilinear points between two targets
• Two large, pentagonal prisms firmly secured for proper alignment
• Protective metal cover rotates to expose prism
• Leather belt-loop case
• 8047-80