Clipart from stefg1971, by date

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beaker

by stefg1971
2013-02-28

beaker 2875

1

distillation

by stefg1971
2013-02-27

distillation 2628

9

Fractional distillation

by stefg1971
2013-02-27

Fractional distillation 4154

10

separatory funnel

by stefg1971
2013-02-27

separatory funnel 2417

2