Physics307L F09:People/Rivera/Notebook/071119

=Electron Diffraction= Using vertical diameter per procedure. {|-
 * (Voltage in Kv)
 * (dia inside mm)
 * (dia outside mm)
 * 4.9
 * 17.8
 * 35.5
 * 4.8
 * 19.0
 * 36.9
 * 4.7
 * 20.0
 * 38.0
 * 4.6
 * 21.1
 * 41.2
 * 4.5
 * 22.1
 * 42.1
 * 4.4
 * 22.8
 * 42.6
 * 4.2
 * 24.3
 * 43.5
 * 4.1
 * 25.0
 * 43.9
 * 4.0
 * 26.4
 * 44.8
 * 3.9
 * 27.2
 * 45.1
 * -}
 * 43.9
 * 4.0
 * 26.4
 * 44.8
 * 3.9
 * 27.2
 * 45.1
 * -}
 * 45.1
 * -}

Below 3.9 Kv the circle became much harder to see therefore finding a diameter became exceedingly difficult.