They called it: hydraulic hammer. Located next to an iron mine, Southeast of Amiens, there is one of the oldest metal factories. Monks used the water source with the help of a wheel to use the hydraulic hammer. With this innovated machine, medieval engineers made metal chains to hold the central columns in place of the Gothic cathedrals. The result of this technique was to avoid the collapsing of the Gothic cathedrals. The narrator of the video states that with the metal chains, the flying buttresses, and the design of the stones were the elements needed to construct majestic Gothic cathedrals. However, Gothic cathedrals are made mainly of glass. To have an equilibrium, medieval engineers used rib vaults to hold the …show more content…
A physician in arts measures the levels of this cathedral. Each level measures 32.8 feet. However, medieval engineers used a different unit of measurement. According to the medieval builders, each level measures 30 royal feet. A chancellor in charge of the construction of the Notre Dame Cathedral used a passage from the old testament, a detailed description of the temple of Solomon in Jerusalem. This manuscript reveals to the builders of Notre Dame that the dimensions of the Solomon temple are very important. Builders of Notre Dame used mathematical codes from the Old Testament to build their