L/S of a large room with men working at small tables on either side. C/U of man putting a tiny pearl inside a shell (or possibly the irritant to make a pearl). L/S of the cages which contain the treated oysters on this pearl cultivation farm. Camera pans to show workers prodding the cages with long sticks. The cages are then suspended in the ocean from rafts. The depth is carefully chosen for warmth of temperature. Moving shot from a boat of the rafts. "Periodical inspection is made by an expert diver..." Man in old fashioned metal diving helmet bobs around by a wooden boat. Three men on board the boat operate a primitive pump. The diver is pulled towards the boat with a rope. Every six months the cages are raised. M/S of men on a large raft pulling the cages up. Various shots of them at work.
The oysters are removed and cleaned of "all deleterious" matter to allow better feeding and growth. M/Ss of the oysters being cleaned. They are then transferred to newly-tarred cages, which are again suspended below the rafts. M/S of the cages being placed back in the water. Ten years after treatment the oysters are finally raised. Moving shot from a boat of all the rafts and workers. The pearls are "in every respect identical with those produced accidentally by Nature." C/U of pearl being removed from an oyster with tweezers. possessing equally colour, lustre, and perfect shape, and pronounced by all biological scientists as genuine pearls." C/U of pearl bracelet, necklace and hair ornaments.
Note: Was a Pathe Review item - American?
Safety neg exists.