Abney level 5 1/ 4"

133 mm long with radius arc graduated 0 to 90 degree in both directions, with vernier reading to 10 minutes and a percent of grade scale from 0% to 100% .....

Nikon Total Station DTM-532

- Ketelitian Sudut : 2â € �
- Ketelitian Jarak : Â ± -( 3mm+ 2ppmxD)
- Pembesaran Lensa : 33x
- Pembacaan Sudut : 1â € � / 5"
- Internal Memory : 10.000 Points....

Truly a small wonder, the eTrex takes the best features of a 12 parallel channel GPS receiver and put them into a six ounce package that is only four inches high and two inches....

Weight : 1.3 lb Length : 10.5" ( 27 Cm ) Grip Style : Nylon-Vinyl

Features :

* Optical Sighting Instrument for extreme accuracy
* Fast and Easy one-handed operation
* Jeweled bearing assembly: supports scale cards, assures long-lasting, ....