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
Museo Mitre and Numismatic Society with Mitre in 1893, and following the classification of Mitre's extensive ethnolinguistic library, numismatic and other collections, the society was located in the museum from 1918 until 1971 (it was rechartered as the National Academy of History of Argentina in 1938). The museum was declared a National Historic Monument on May 21, 1942, and is maintained by the National Secretariat of Culture. The museum can be seen on some Argentine two peso bills. Museo Mitre The Museo Mitre (Spanish) (Mitre Museum) in Buenos Aires, Argentina, is a museum dedicated to Argentine history, as well as to the