Forum: The Heritage Collection
For Reference and Comment... It’s estimated there are over 5,000 artefacts in our care and date from Roman 2nd Century keys to the Post WWII experiments with high security mechanisms. We present here selections from The Heritage Collection for your interest and comment.
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I have noticed a trend in my small collection of KIK (Key In Knob) cylinders. About half are 5/8" (.625") in diameter plus or minus a few thousandths, the other half are 16 mm (.630") in diameter...
Key In Knob (KIK)...