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5-1/4 inch Abney Level Model 13-640 | 6-1/4 inch Topographic Abney Level Model 13-642 |
Features: Model 13-640 5-1/4 inch Abney Level
Features: Model 13-642 6-1/4 inch Topographic Abney Level
Specifications | |||
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Model | 13-640 | 13-642 | |
Magnification | 1 X | 1 X | |
Length | 5 1/4-in (13.3cm) | 6 3/8-in (16.1cm) | |
Degrees (10min) | 0 - 90 | 0-60 | |
Percent Grade | Yes | Yes |