English: It shows two ten milliliters measuring Pipettes with opposite graduation, the upper one for backward pipetting, the lower one for forward pipetting.
Deutsch: Rücklauf- oder Rückwärtspipette (oben) und Vorwärtspipette (unten).
{{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|It shows two ten milliliters measuring Pipettes with opposite graduation, the upper one for backward pipetting, the lower one for forward pipetting.}} |Source = in my Lab for W...