1.5006 Flask, with four straight necks
25004 Flask,with three oblique necks
3.5006-2,Flask, with four oblique necks
4.5005 Flask,with three straiaht necks
5.5001 Boilingfask,round bottom, short neck
6.5007-1,Boiling flask, fat bottom, wide neck
7.5007-2,Boiling fask,flat bottom,narrow neck
8.5009.Conical flask,narrow neck
9. Bolling receiving tube, ball type, with three necks
