The first modern on demand regulator

Jean-Yves Cousteau and Émile Gagnan patent the first modern on demand regulator valve. After Gagnan was working at Air Liquide on a small demand valve and has been introduced to Cousteau which was looking for a way to regulate the flow from a high pressure cylinder.

Beuchat open its door

Beuchat, the first equipment manufacturing company for underwater activities opened its door in 1834 in Marseille, France. It was founded by Georges Beuchat a 24 years old young man and spearfishing enthusiast. Some of his concepts and invention are still in use and adopted by all manufacturers of equipment.