Distortion of history. Industrial fairs. Crystal palace. Questions

October 29, 2018
Another part of puzzle. One more evidence of technologies we lost and existing of free electricity in recent past. Another proof of globality of world and civilization we had. Glass is not so easy to produce. Steel was officially invented later.
https://en.wikipedia.org/wiki/Great_Exhibition
Subway! https://en.wikipedia.org/wiki/Crystal_Palace_pneumatic_railway
where did they get steel poles and columns if mass production of steel was invented later https://en.wikipedia.org/wiki/Steelmaking
https://en.wikipedia.org/wiki/Bessemer_process
The float glass production also ws "invented" in 1848 but some glass-buildings were built in England in 1825 ))) https://en.wikipedia.org/wiki/Float_glass
etc. etc. ) there is something wrong with official versions of history)

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