(10/114) 2021-01-08_12-45-52.jpg
9: 2021-01-08_12-29-57.jpg
8: 2021-01-08_12-26-45.jpg
7: um gauge blocks
6: $150 - not really used..
5: $150 - not really used..
4: "My (12-foot) scope is not too much to my fancy, being prone to bending and sagging when not suspended only by one place. It will be necessary to find some remedy for this. We still know her here (in Paris) only from fame, no one has tried it yet. But all being informed by me of the Saturnian Satellite, and of its period, they cannot deny that my scope does not outweigh all those that have never been" Huygens
3: 2021-01-01_00-52-53.png
2: 2020-12-22_17-41-17.png
1: 2020-11-06_23-27-35.png
11: 2021-01-08_13-03-41.jpg
12: 2021-01-08_21-09-14.gif
13: 2021-01-08_21-32-01.png
14: 2021-01-11_23-16-12.jpg
15: 2021-01-19_19-51-45.jpg
16: 2021-01-22_11-52-52.jpg
17: 2021-01-22_14-43-28.jpg
18: Mount for collimating lens for Rayleigh water test
19: 2021-01-24_16-31-56.jpg
20: 2021-01-24_16-51-32.jpg
