These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Critical Research Failure: Ann Radcliffe often completely ignores the initial historical setting of her works to describe some more recent clothing, technology, or luxury. Another of her novels, The Italian, is even worse in this regard.