![](../images/photo_archives/2001/20010601/Cold_bulkhead_being_machined.jpg) |
Cold Bulkhead after machining, showing cutouts for DB15HD
feedthroughs |
![](../images/photo_archives/2001/20010601/Domenic_showing_G10_ring_to_Ken.jpg) |
Domenic Sarcia shows Ken Janes the completed G10 ring
after parting and turning to desired dimension |
![](../images/photo_archives/2001/20010601/Domenic_holding_G10_ring.jpg) |
Zoom of G10 ring |
![](../images/photo_archives/2001/20010601/Filter_box_bulkhead_being_machined.jpg) |
One of the Filter Box Bulkheads, being machined in the
BU SIF. |
![](../images/photo_archives/2001/20010601/optical_bench_after_welding.jpg) |
Cold Optical Bench, after welding by Bob Kingsland in
the BU SIF |
![](../images/photo_archives/2001/20010601/Tollestrup_bulkheads.jpg) |
Two of the Filter Box internal Bulkheads, after machining
and light-weighting, but before dip brazing |
![](../images/photo_archives/2001/20010601/Warm_big_ben_after_welding.jpg) |
"Big Ben" after welding of gussetts onto large
and small bulkheads |