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in showing the whole process here. The camera set up in 3 makes it impossible for us to see how full the ladle is, so that when we cut back to 4 we are readily prepared to believe that the ladle is now full, although we have seen in a few seconds a process which might take several minutes.
The position of the rammer acts as a visual link between 4 and 5 and we now see (5) that the furnaceman is skimming something off the top of the molten metal.
His action is continued in 6 where the camera movement emphasises how the slag is " killed."
The camera pans back to the furnaceman and his action is taken up in 7 which indicates that the process is now over.
Shot 8 is the beginning of the second manipulation of pouring the iron from the ladle into the converter. The camera is set at a slight side angle to show exactly how the ladle and converter are placed relative to each other. The crane which carries the ladle is not considered of any particular importance and is left out of the picture.
Shot 9 continues the turning movement started in the previous shot ; here the camera set-up again ensures that we see clearly what is happening ; 10 continues the action to show how the ladle is removed.
We are now left with the converter in the centre of the frame (end of shot 10) and we cut to 11, enabling us to get a better view of the turning movement.
At this stage it is necessary to show what goes on inside the converter and this must be shown by diagram. A matched dissolve introduces this so that there can be no doubt about what it refers to. The diagram then changes to a sectional view, and since it is important to establish the fact that air is being driven through the converter, a close view of the inlet pipe (13) is shown.
The diagram sequence is shown at some length because the process of converting goes on for a considerable time. Similarly, the fade which follows makes it clear that there is a passage of time between 14 and 15.
The camera movement in 15 shows that the chemist is looking at the top of the converter.
In 16, we see by his gesture that he judges the process to have finished, and the men begin to turn the winch.
The effect of their turning appears in the next shot (17) and in 18 the head-on view of the converter establishes that the blowing has finally ceased.
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