I thought there was a similar thread here but couldn't find it.
Inspired by a post I saw on Facebook
Just what is this object.
I used one in the 60's and 70's as part of my work.
And a close up which may give you more info.
I thought there was a similar thread here but couldn't find it.
Inspired by a post I saw on Facebook
Just what is this object.
I used one in the 60's and 70's as part of my work.
And a close up which may give you more info.
77 and counting, less of the "Old" call me "Mike"
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