bigrule

    The biggest slide rule in my collection, being effectively wielded by a dear friend.

    Comments and faves

    1. kolja72 (51 months ago | reply)

      You collect slide rules? Interesting.

      Are you an engineer?

    2. xddorox (32 months ago | reply)

      Hi, I'm an admin for a group called Slide rules, and we'd love to have this added to the group!

    3. ★

      xddorox and Hornsea Museum added this photo to their favorites.

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