Some of the most beautiful work of this craftsman are in this book “The Francotte Dynasty”.
For more detail see: The Francotte Dynasty
Francotte Auguste
This
system is used to measure the pressure with the help of a piezoelectric sensor,
in order to determine the exact quantity of powder and this according to the
batches of powder.
The small
groove that we see is used for the passage of electric wires.
Max
