EM10
The EM10 was a very popular General purpose TEM based on Electromagnetic Focusing lenses.
Variants
Several Variants of the EM10 existe and where developed during its <insert run time> of production
EM10A
The first of the EM10 version
EM10B
An improved version of the EM10A
EM10C
The last version of the EM10's development
EM10CR
High Resolution version of the base EM10C
Documenation