I did an extensive (Google) search for more references and added the tiny bit of detail that I could find, with a reference (from 1904!). I don't think that thi
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I did an extensive (Google) search for more references and added the tiny bit of detail that I could find, with a reference (from 1904!). I don't think that this is an architectural feature that is used or discussed much anymore. Leschnei (talk) 13:04, 31 August 2018 (UTC)
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