Improvements in the manufacture of non-metallic electric resistance materials
GB520167A
Improved manufacture of beryllium compounds from beryllium earths
US2209131A
Process for the preparation of beryllium compounds
GB500509A
Improvements in or relating to processes and apparatus for the production of aluminium, beryllium, magnesium, alkali earth or alkali metals by electrolysis of fused starting materials
GB511076A
Improvements in or relating to processes for the manufacture of anodes for use in the production of aluminium, beryllium, magnesium, or alkali earth metals by electrolysis of fused starting materials
DE738870C
Method and device for the production of beryllium, magnesium and alkaline earth metals by fused-salt electrolysis
DE729159C
Process for the production of anodes for the production of earth or alkaline earth metals such as aluminum, magnesium, beryllium by molten electrolysis
GB484136A
Improvements in or relating to methods for the production of pure magnesium compounds, more particularly magnesium oxide
GB465308A
Improvements in electric resistances
GB451215A
Improvements in electrodes
DE675614C
Process and device for the production of chlorinated lime
