![](https://www.tumblr.com/widgets/share/tool?posttype=photo&canonicalUrl=http%3A%2F%2F212.228.6.2%2Farchive%2Ftags%2Fmedieval%2Fcontent%2Fbarber-royston-cave-20%2F&content=http%3A%2F%2F212.228.6.2%2Farchive%2Fstorage%2Fcache%2Fimages%2F021%2F701%2Fbarber-royston-cave-20%2Flarge.1728986416.jpg&caption=%3Cp%3E%3Cstrong%3E%3Ca href="http%3A%2F%2F212.228.6.2%2Farchive%2Ftags%2Fmedieval%2Fcontent%2Fbarber-royston-cave-20%2F" title="barber-royston-cave-20.jpg"%3Ebarber-royston-cave-20.jpg%3C/a%3E%3C/strong%3E%3C/p%3E%3Cp%3E+The+Royston+Cave%2C+showing+carvings%2Cstone+and+erosion.+Image+shows++Image+shows+a+man+demonstrating+a+Masonic+symbol.+The+left+hand+forms+a+set++square+.+A+similar+figure+appears+in+a+rendering+of+Psalm+69+which+is+located+at+Trinity+College%2C+Cambridge.%3C/p%3E){kind=link}
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The Royston Cave, showing carvings,stone and erosion. Image shows Image shows a man demonstrating a Masonic symbol. The left hand forms a set square . A similar figure appears in a rendering of Psalm 69 which is located at Trinity College, Cambridge.