In the case of a cast iron radiator, you would vary the flow of steam or hot water to it by throttling the valve that feeds it.
In the case of a "convector", you would vary the quantity of air that...
The work is based on a lecture Woolf once gave so the style is very seminal. It is conversational, addressing the readers as if they are there listening to her.
It is when you live in a home that only has one room which is your bedroom, kitchen, and your living and eating area. So it is a room that is supposed to be the whole house to you. It could be a nice...