Soho foundry basin entrance, factory chimney and the buildings of the former Soho Foundry on the BCN (Birmingham canal navigations) New Main Line.
Soho Foundry was a factory created in 1795 by Matthew Boulton and James Watt and their sons,to make steam engines and steam engine parts.
Now owned by Avery Weigh-Tronix, it is used for the manufacture of weighing machines.
There is a lot of historical facts about this factory and items made there on the internet, here is the Wiki link for one article.
Link
The canal basin bridge and most of the remains on the Soho foundry are Grade 2 listed