Forum: HoLRSG
The History of Locks Research & Social Group Supporting the Heritage Rooms Aretefacts & Archive . |
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About The History of Locks Reasearch & Social Group
(11 Viewing)Our Mission, Our Artefacts, Our Library - for referance and discusion.
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The Heritage Collection
(13 Viewing)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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HoL Archive
(11 Viewing)Browse our Library: Company history, Product information, Data sheets, Operating instructions for vintage/antique (pre WWII) security products & Press Cuttings - For Reference, Research and Discussion.
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Of Locks, Keys and Locksmiths...
(17 Viewing)Join in the Discusions: A place to explore the artefacts and documents in the collection. Ask questions, answer questions, speculate and reason...
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Never seen a mappins patent with only 4 guards. Odd. It's chicken and egg, I find that the key will not want to go in until it's already cut as the sharp edge on the blank does not move easily...
Is it a Mappin