Make New Entry, Make Followup Entry
User name brads
Log entry time 17:11:58 on November 30, 2009
Entry number 303777
This entry is a followup to: 303714
keyword=Photo of new Compton collimatorPhoto taken this afternoon. The blue insert is the lead (you can just see the hole drilled in the center). The white cylinder downstream of the collimator is a solid plastic (CH2) cylinder intended to block the low energy background.
Figure 1
