000 00707cab a2200241 4500
001 WB2717-34
008 090401t1991 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u64932
041 _aeng
100 _aWright, J.
245 _aOrdnance Survey exhibition
260 _c1991
350 _a0
490 _aIndependent
_v29/4/91 p16
520 _aAn exhibition of surveying instruments used by Ordnance Survey throughout its 200 year history is being held at the Tower of London.
650 _aBICENTENARY
650 _aDIRECTORATE OF MILITARY SURVEY
650 _aDIRECTORATE OF OVERSEAS SURVEY
650 _aGIS
690 _aMAPPING AND MEASUREMENT
942 _n0
948 _c04/03/1997
999 _c40460
_d40460