Jean, as did Lucien in his time, left his mark on the work of harvesting and distilling lavender.
This is how he developed the 4-row forage harvester (the only one in France to date), developed the famous “Papa” condenser which has now become the standard for most last generation distilleries.
Lavandin harvest:
https://www.youtube.com/watch?v=MTMP1whcoJM
https://www.youtube.com/watch?v=aD5nbWI1hqE