slide rule
I have completely forgotten everything about using a slide rule..in pre computer times we used them all the time at school...this was Mrs Nahpro' s I think..
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Uploaded on April 3, 2009
Taken on April 3, 2009
slide rule
I have completely forgotten everything about using a slide rule..in pre computer times we used them all the time at school...this was Mrs Nahpro' s I think..
5,239
views
5
faves
12
comments
Uploaded on April 3, 2009
Taken on April 3, 2009