(60/175) 2021-02-21_17-05-26.cr2
Setup for Rayleigh water test
59: Setup for Rayleigh water test
58: LASER alignment dots - big one is from the water - the other two are from the front and back of the optical flat..
57: 2021-02-18_14-33-20.jpg
56: 2021-02-18_14-33-06.jpg
55: 2021-02-15_17-41-24.jpg
54: 2021-02-14_19-44-42.jpg
53: 2021-02-14_14-16-29.jpg
52: 2021-02-14_13-47-52.jpg
51: Old late 1960's electronics died..
50: 2021-01-01_00-52-53.png
61: Using gravity feild to test optical flat
62: 2021-02-22_11-51-14.jpg
63: Meter bezzel - from mill
64: platinum wire thermistor
65: platinum wire thermistor
66: Fans in enviornemntal chamber.
67: Air powered vacuum
68: 2021-02-24_23-55-12_1.jpg
69: Cast iron surface plate - needs grinding
70: Cast iron surface plate - needs grinding
