The Association of Iron and Steel Technologies held its annual meeting in Nashville, Tennessee.

Omni Hotel, Nashville |

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Partly complete skyscraper |

Partly complete skyscraper |

Partly complete skyscraper |

Another skyscraper being constructed using a steel frame encased in galss |

The Howe Memorial Lecture |

The audience at 8 a.m. |

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A protest by women against Donald Trump’s policies |

A protest by women against Donald Trump’s policies |

A protest by women against Donald Trump’s policies |

A protest by women against Donald Trump’s policies |

A protest by women against Donald Trump’s policies |

A protest by women against Donald Trump’s policies |

Exhibition at the Association for Iron and Steel Technologies, AIST. This is a device for flash butt welding of rails |

This is a device for flash butt welding of rails |

This is a device for flash butt welding of rails |

A huge roller bearing for steel rolling-mills |

A huge roller bearing for steel rolling-mills |

A huge roller bearing for steel rolling-mills |

This is for compressing gas. The seal is maintained by flooding with oil. |

A very large gear |

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This picture at 2.28 a.m. in the morning |

This is the same region but at 5.14 a.m. |

Now at 5.38 a.m. Remarkable breaking of dawn |

The Awards breakfast banquet on the day after the Howe Memorial Lecture |

The Awards breakfast banquet on the day after the Howe Memorial Lecture |

The Awards breakfast banquet on the day after the Howe Memorial Lecture |

The Award |

Jose Maris Rodriguez-Ibabe |

John Speer (Colorado School of Mines0 and Bruno de Cooman (GIFT, POSTECH) |

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The “Town Hall Meeting” |

Anand Sen (President, Tata Steel India) posing a question via electronic means |

On my return from Nashville, yearned for proper food. so cycled to St Ives to have a curry at the new Wetherspoons discovered by Rosie Ward |

In St Ives on the day after returning from Nashville |

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A manhole cover in St Ives - Jeremy Corbyn, the most decent politician, also photographs such covers. |