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Masonry is the craft of building a structure with brick, stone, or similar material, including mortar plastering which are often laid in, bound, ...
R∴ A∴ M∴ – Royal Arch Mason; Royal Arch Masonry; Royal Ark Mariner. R∴ C∴ or R∴ t∴ Rose Croix. Appended to the signature of one having that degree; R∴ E∴ – Right Eminent. R∴ E∴ A∴ et A∴ – Rite Écossais Ancien et Accepté, "Ancient and Accepted Scottish Rite" (French).
A multiple-wythe masonry wall may be composed of a single type of masonry unit layered to increase its thickness and structural strength, or different masonry units chosen by function, such as an economical concrete block serving a structural purpose and a more expensive brick chosen for its appearance.
Freemasonry (sometimes spelled Free-Masonry) [1] [2] [3] or simply Masonry includes various fraternal organisations that trace their origins to the local guilds of stonemasons that, from the end of the 14th century, regulated the qualifications of stonemasons and their interaction with authorities and clients. Freemasonry is the oldest ...
Quoins (/ k ɔɪ n / or / k w ɔɪ n /) are masonry blocks at the corner of a wall. [1] Some are structural, providing strength for a wall made with inferior stone or rubble , [ 2 ] while others merely add aesthetic detail to a corner. [ 3 ]
Bricklaying is a part of masonry. [4] Bricklaying may also be enjoyed as a hobby. For example, the former British Prime Minister Winston Churchill did bricklaying as a hobby. [5] Bricklayers occasionally enter competitions where both speed and accuracy are judged. The largest is the "Spec-Mix Bricklayer 500" held annually in Las Vegas, Nevada ...
Ashlar masonry. Stone masonry using dressed (cut) stones is known as ashlar masonry. [4] Trabeated systems. One of the oldest forms of stone construction uses a lintel (beam) laid across stone posts or columns. This method predates Stonehenge, and refined versions were used by the Egyptians, Persians, Greeks, and Romans. [4] Arch masonry.
The keystone is the centre stone or masonry unit at the apex of an arch. The springer is the lowest voussoir on each side, located where the curve of the arch springs from the vertical support or abutment of the wall or pier. [1] The keystone is often decorated or enlarged.