Remember when...
A #Flickr Friday submission. Anyone studying science in the 1960s learned to use a slide rule.
1,242
views
6
faves
1
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Uploaded on June 28, 2015
Taken on June 28, 2015
Remember when...
A #Flickr Friday submission. Anyone studying science in the 1960s learned to use a slide rule.
1,242
views
6
faves
1
comment
Uploaded on June 28, 2015
Taken on June 28, 2015