Joist were typically planed smooth (wrought) and sometimes chamfered or beaded. Joists may join to their supporting beams in many ways: joists resting on top of the supporting beams are said to be "lodged"; dropped in using a butt cog joint (a type of lap joint), half-dovetail butt cog, or a half-dovetail lap joint. Joists may also be tenoned in during the raising with a soffit tenon or a tusk tenon (possibly with a housing). Joists can also be joined by being slipped into mortises after the beams are in place such as a chase mortise (pulley mortise), L-mortise, or "short
Mitre Square found there at 1:45 in the morning on 30 September 1888. This was the westernmost of the Whitechapel Murders and the only one located within the City. Eddowes' murder on the site of the old monastery is ascribed to an ancient curse in a contemporary penny dreadful entitled "The Curse Upon Mitre Square A.D. 1530–1888" by J.F. Brewer. A 19-story, 79m high office development is proposed for the square, known as One Mitre Square. Mitre Square Mitre Square is a small square in the City of London. It measures about by and is connected via three passages with Mitre Street