Error, Misuse, Failure: Object Lessons from the English Renaissance - Julian Yates - Google Books

https://books.google.de/books?id=hzfCeZspGHIC&pg=PA187&dq=Harvington+hall#v=onepage

If certain objects work well, no one notices them. As with "black boxes, " their success may be gauged by their relative invisibility -- and this was the indirect goal of the objects that Julian Yates considers here: the portrait miniature, the relic, the…