PG&F, TM (UA) | paperwork | optical glass | crystals

GROUP		TYPE
LK:	LIGHT CROWN	LK1 \| LK3 \| LK4 \| LK5 \| LK6 \| LK7 \| LK8
K:	CROWN	K1 \| K2 \| K3 \| K8 \| K14 \| K15 \| K19 \| K20
KF:	CROWN-FLINT	KF1 \| KF4 \| KF6 \| KF7
FK:	PHOSPHATE CROWN	FK11 \| FK13 \| FK14 \| FK24
BK:	BARIUM CROWN	BK4 \| BK6 \| BK8 \| BK10 \| BK13
TK:	DENSE CROWN	TK2 \| TK4 \| TK8 \| TK9 \| TK12 \| TK13 \| TK14 \| TK16 \| TK17 \| TK20 \| TK21 \| TK23
TFK:	DENSE PHOSPHATE CROWN	TFK11
CTK:	EXTRA DENSE CROWN	CTK3 \| CTK7 \| CTK8 \| CTK9 \| CTK10 \| CTK12 \| CTK15 \| CTK16 \| CTK19 \| CTK20
BF:	BARIUM FLINT	BF1 \| BF4 \| BF6 \| BF7 \| BF8 \| BF11 \| BF12 \| BF13 \| BF16 \| BF21 \| BF24 \| BF25 \| BF26 \| BF27 \| BF28 \| BF32
LF:	LIGHT FLINT	LF5 \| LF7 \| LF9 \| LF10 \| LF11 \| LF12
F:	FLINT	F1 \| F2 \| F4 \| F6 \| F8 \| F9 \| F13 \| F18 \| F20
TF:	DENSE FLINT	TF1 \| TF2 \| TF3 \| TF4 \| TF5 \| TF7 \| TF8 \| TF10 \| TF11 \| TF12 \| TF13 \| TF14 \| TF15
TBF:	DENSE BARIUM FLINT	TBF3 \| TBF4 \| TBF8 \| TBF9 \| TBF10 \| TBF11 \| TBF13 \| TBF14 \| TBF25 \| TBF512
CTF:	EXTRA DENSE FLINT	CTF2 \| CTF3 \| CTF11

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