Figure 1 is a vertical section, and figure 2 a plan view. The arrows show how the heated gases are admitted by the flues, a bed, from the puddling furnaces. These meet at the centre, and pass down ...

Did you know that different types of lines have different names? A vertical line goes up and down. A horizontal line goes left to right. Why not have a look around and see if you can find any ...

Vertical blinds are standard for large windows, but you don't have to stick with this outdated look. Try these alternatives ...