The Difference Engine design was around even before that, but it would also be bad faith to argue that computers aren't a modern miracle.

We didn’t have diesel computers able to be used by the average person and capable of roughly the same range and volume of arithmetic operations as modern computers. We did have gasoline powered cars that served precisely the same function. Electric cars are an improvement in energy efficiency, climate impact, and user experience, but really just an iterative improvement on existing vehicles.