17-640

5-1/4" Abney Level
5-1/4" long with radius arc graduated 0 to 90 degrees in both directions, with vernier reading to 10 minutes and percent of grade scale from 0% to 100%. Complete with Cordura™ belt loop case.

17-641

6-1/4" Abney Level
6-1/4" long, extending to 7" with two separate scales graduated on the radius arc: one graduated from 0° to 90° in both directions, and one reading to percentage of grade with vernier reading to 10 minutes and percent of grade scale from 0% to 100%. Complete with Cordura™ belt loop case.

17-642

Topographic Abney Level
All brass construction, 6-3/8" long, internal focusing telescope with a durable black finish, square sighting tube, and two interchangeable arcs: one arc graduated in percentage of grade and degrees, 0° to 60° in both directions, and the other graduated in percentage of grade and topographic scale. Complete with Cordura™ belt loop case.

17-643

K & E Type Topographic Abney Level
K & E type Abney Level, 6-3/8" long, extending to 7-3/8". Equipped with two interchangeable arcs with 47mm (1.85") radius: one arc graduated in degrees, 0° to 60° in both directions, the other arc graduated in topographic scale. Index has friction movement for time adjustment. Complete with Cordura™ belt loop case.

17-645

5X Abney with Stadia
5X magnification with 1:100 stadia, 7-3/4" long, with draw tube extending to 8-5/8". Two-inch radius arc graduated to degrees, 0° to 90° in both directions; vernier reading to 10 minutes. Also has percent scale, 0% to 100% in both directions. Complete with Cordura™ belt loop case.

17-638

17-646