![Mould, made by using graphite electrodes](https://coimages.sciencemuseumgroup.org.uk/343/153/large_smg00190250.jpg)
Mould, made by using graphite electrodes
Collection of moulds made using graphite electrodes, a technique developed by the Fordath Engineering Company Ltd, in cooperation with the RAE in the mid 1960s. This was a method used for casting refactory alloys with exceptionally high melting points.