000 00386nam a2200157Ia 4500
003 IN-MuIIG
008 231010s9999 xx 000 0 und d
040 _cIIG Library
080 _a681.4.02
_bTRY
100 _aTwyman, F.
245 0 _aOptical glassworking
_cF. Twyman
260 _aLondon
_bHilger and Watts Ltd.
_c1955
300 _a275p.
_billus
650 _aOptics
942 _cBK
999 _c11706
_d11706