Short answers, pulled from the story.
Abraham Darby rebuilt Coalbrookdale Furnace in 1709 using coke as fuel. This coal came from drift mines dug into the sides of the valley and contained far fewer impurities than normal coal.
John Brooke developed coal mining on a substantial scale in his estate after acquiring the manor around 1572. His son Sir Basil Brooke later became a significant industrialist who invested in ironworks elsewhere.
The world's first cast-iron bridge opened on the 1st of January 1781. Most of the work happened at Coalbrookdale since no settlement existed at Ironbridge in the eighteenth century.
The Company supplied cylinders for Newcomen atmospheric engines starting in 1723. Upgraded boring facilities in 1734 allowed them to bore larger cylinders reaching 60 inches diameter by 1748.
The site opened with a small museum celebrating 250 years of the Company in 1959. This site became part of Ironbridge Gorge Museums larger project and now houses the Museum of Iron inside Great Warehouse constructed in 1838.