A real life job not some mocked up workbench experience.
A modern slightly larger convector single radiator or better still a double panel convector radiator will warm your room a lot more than an old single panel ,and even more so if it is an old cast iron one.
Keep warm and save money double your heat output for the same cost as heating an old single panel iron radiator.
For a video of how to change an old cast iron radiator for a new convector type of the same size go to    • How to change an old cast iron radiat...  
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