Sokkia Topographic Abney Level
Graduated 0 to ±100’ (topo), 0 to ±25 (chain corr.), 0 to ±60°, 0 to 150% on two interchangeable scale rings. No vernier. Scale pointer has fine adjustment with turn of small thumbscrew; locks with turn of large thumbscrew. Eyepiece slides out to focus bubble. 6-1/2”L. Flat base, brass tube with aluminum arc. Carrying case has belt loop, snap closure.