Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
These are panels that have no louvres. They were originally installed in reveal boxes in pre-Edwardian houses and were only used a couple of times a year when the owners decamped for the season. They were not designed to be opened and shut daily like our present designs and that is why so few remain today.
