000 00342nam a22001217a 4500
082 _a510
_bPIC
_cRR-10/490
100 _aPickworth, Gharless N.
245 _aINSTRUCTIONS FOR THE USE OF A. W. FABER'S IMPROVED CALCULATING RULE
260 _aLondon
_bManufactory Established
_c1761
650 _aMCE
700 _aCHARLES N. PICKWORTH
942 _cBK
999 _c3644
_d3644