000 00876cab a2200229 4500
001 X2409
008 090401t1995 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u24034
041 _aeng
100 _aEyre, J. M.
245 _aComparing the Wild GAK1 and the Gyromat-2000
260 _c1995
350 _a0
490 _aSurveying World
_v3(4) May 1995, 16-18(3)
520 _aThe survey control of underground workings requires precise setting out procedures. The measurment of the co-relationship between different working areas and the surface is vital to the maintenance of safe working conditions. Records the evalutaion made of the Gyromat-2000 by comparison with its predecessor, the Wild GAK1.
650 _aSURVEY CONTROL
650 _aSURVEYING GYROSCOPE
690 _aLAND SURVEYING
700 _aWetherelt, A.
942 _n0
948 _c04/03/1997
999 _c16095
_d16095