The riot act:
- You must never touch any button or knob on the electron microscope without the demonstrator's permission.
- If you turn some knobs on the electron microscope, you can cause enormous and very expensive damage.
- Never do anything to the vacuum system unless the demonstrator has given you explicit permission.
- Never attempt to switch on the microscope if there has been a power cut.
- If in any doubt about any knob or control, always ask the demonstrator before you touch it.
Copyright J M Rodenburg