000 00322nam a2200133 a 4500
005 20240602102820.0
008 010627s19uu xx 00 eng d
020 _a234772239
100 _aBall, Brian N.
245 _aTimepiece /
_cBrian N. Ball.
260 _aLondon :
_bDobson,
_c1968.
300 _a144 p.
942 _2ddc
999 _c65509
_d65509