2011-12 Stellafane Mirror Class
Session 6 held on 2012-Mar-24

General

We had two completions on the last class this season at the Fletcher House.

2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 General Rob is Done! Dave, Rob and Ray near the tester.	2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 General Ed is Done. Dave, Ed and Ray near the tester.	2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 General Nice shot of the Newsbank Fletcher House conference center on a spring day.
2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 General Rob, Ray and Ed haul the test tunnel up from the basement.	2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 General Rob is already inside, Ed and Ray move in with the test tunnel after making a tight corner on the deck.	2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 General Near lunch, class quiets down a bit and several folks eat at the table in back.

Pitch Laps

Plenty of work with pitch laps as more students move to polishing and figuring.

2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Pitch Laps Karl watches while Dave stirs the soupy pitch.	2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Pitch Laps Dave channels the new lap (made on an aluminum disk) as Karl watches.	2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Pitch Laps Karl and Francis both work on their laps, trimming and channeling.
2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Pitch Laps Rob's lap warms under the heat lamp prior to warm pressing.	2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Pitch Laps Ron and Francis both press with body weight on their laps.	2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Pitch Laps Ed's mirror and lap waiting to be used.

Polishing & Figuring

No lack of work in this area, although we we have two less next time as Rob and Ed are done.

2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Polishing & Figuring Ray checks on Ben's progress.	2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Polishing & Figuring Nothing seems to make Francis as happy as pushing glass (even if it does have a TDE).	2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Polishing & Figuring Dave points out how to do a stroke as Ed follows instructions.
2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Polishing & Figuring Rob takes a break and checks in on Ed. Both completed their mirrors later in the day.	2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Polishing & Figuring Dave demonstrates a stroke to Rob.	2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Polishing & Figuring Dave explains how to get that final figuring done to Ed and Rob.

Testing

Only two photos, but plenty of testing was done this time.

2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Testing Dave lines up the tester - keeping your eye back from the knife edge helps you find the returned beam.

2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Testing Jay and Al chat while Rob tests his mirror.

Fine Grinding

We had a couple of fine grinders at work also.

2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Fine Grinding Josh wets down his 24-inch during fine grinding.

2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Fine Grinding Jeffery is using 9 micron grit, almost ready to polish.

2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Fine Grinding This grooved glass tools is covered with aluminum oxide polishing slurry.

Miscellaneous

Photos from other activities surrounding mirror class.

2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Miscellaneous Dave and Ken are testing the new on-line registration form for convention. Samantha, Julie and Paul are also at work on other things.

2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Miscellaneous Rick has a new homemade diagonal holder in his hand.

2011-12 Stellafane Mirror Class Session 6 held on 2012-Mar-24 Miscellaneous STM Members Francis (cut off at left), Dave, Samantha, Jay and Ray hang out near the tester.