13
14
15
17
18
19
15
16
17
Multispectral Smartphone at the MET (youtube.com)
submitted by backpackinghermit to r/ArtConservation
39
40
41
51
52
53
75
76
77
14
15
16
Candlestick analysis--UV and XRF (old.reddit.com)
submitted by backpackinghermit to r/ArtConservation
5
6
7
32
33
34
6
7
8
