1075 ⟶ Song Dynasty Develops Precursor to Bessemer Process
– the Song Chinese innovate a partial decarbonization method...
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🏭 Chinese Discovery of Coal for Iron Production
1100 – the demands of the Chinese iron industry for charcoal led to a huge amount of deforestation, which was curbed when the Chinese discovered how to use bituminous coal in smelting cast iron and steel, thus sparing thousands of acres of prime timberland.⟶
Iron AgeMetallurgyEnvironmentIndustrial RevolutionEconomic History
China
⚙️ Song Dynasty Develops Precursor to Bessemer Process
– the Song Chinese innovate a partial decarbonization method of repeated forging of cast iron under a cold blast that Hartwell and Needham consider to be a predecessor to the 18th century Bessemer process.⟶
Song DynastyMetallurgyManufacturingIndustrial Revolution
China🖨️ Bi Sheng Invents Movable Type
Movable type in Song dynasty China: The first record of a Movable type system is in the Dream Pool Essays, which attributes the invention of the Movable type to Bi Sheng.⟶
PrintingMovable TypeSong DynastyBi ShengCommunicationKnowledge Dissemination
China🕰️ Su Song's Astronomical Clock Tower Construction
– The Chinese mechanical engineer and astronomer Su Song incorporates an escapement mechanism and the world's first known chain drive to operate the armillary sphere, the astronomical clock, and the striking clock jacks of his clock tower in Kaifeng.⟶
ClockmakingAstronomyMechanical EngineeringSong Dynasty
China