Hosted on MSN
A large bell is tuned by removing metal from the inside, and once too much is gone there is no way back
There is a category of object that has to be got right first time, and a large bell is among the more demanding examples. It is cast in one piece from molten metal, at a scale where a fault means ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results