John Teagardin
jteagardin
MHO timing drive
McMath-Hulbert Solar Observatory. We think this was a drive-timing system. (Pre-computer days)
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Uploaded on October 10, 2005
Taken on January 1, 2002
MHO timing drive
McMath-Hulbert Solar Observatory. We think this was a drive-timing system. (Pre-computer days)
123
views
0
faves
1
comment
Uploaded on October 10, 2005
Taken on January 1, 2002