Small universal stand for centrifuge tubes and microlitre tubes

Small universal stand for 50 ml and 15 ml centrifuge tubes (such as Falcon tubes) as well as 0.5 ml, 1.5 ml and 2 ml microlitre tubes (such as Eppendorf tubes).The footprint is kept as small as possible so that the stand does not take up so much space in the laminar flow cabinet without …

Improvements of my sand polisher

Introduction After prolonged operation of my sand polisher, the problem of the glass jumping off the guide gears due to the axially opposing force occurred again and again. As a result, the gear ring is no longer in the groove and the drive gear slips. Prolonged and unattended operation is thus excluded. To solve this …