Laboy Glass Double Manifold With Hollow Glass Stopcock And Spherical Joint At Right
With 35/20 Ball Joints And 4mm Double Oblique,
High Vacuum Hollow Glass Stopcocks
Lower Vacuum Chambers On Stopcock Are Evacuated With A
Separate Hole In The Plug
With 35/20 Ball Joints And 4mm Double Oblique,
High Vacuum Hollow Glass Stopcocks
Lower Vacuum Chambers On Stopcock Are Evacuated With A
Separate Hole In The Plug