Diving apparatus; specimens on Velero III, [1931-1941]

"Velero [III], scientists aboard". Man climbing into caged platform putting on diving helmet and submerging under water, man onboard ship pumping air to diver, various men working on deck (one of them is Captain Allan Hancock), emptying specimen container on deck, diver wearing helmet in cage, seal in cage being broad on board Velero III (ship), [1931-1941].

「维勒罗三号」（Velero III）：搭载科考人员的科考船。该数据集包含以下影像内容：一名男子攀爬进入笼式作业平台，佩戴潜水头盔后潜入水下；船上工作人员为潜水员输送空气；多名男子在甲板上开展作业，其中一人为艾伦·汉考克船长（Captain Allan Hancock）；在甲板上倾倒标本容器；笼内佩戴头盔的潜水员；被运至该船的笼中海豹。影像拍摄时段为1931年至1941年。