1 сент 1939 г. - Various plastics used for military application

Описание:

Taking advantage of plastics developed after World War 1, plastics such as neoprene, polythene, Perspex, and nylon were used in various applications such as synthetic tires, parachute cords, radar insulation, and gearing wheels.

Добавлено на ленту времени:

Дата:

Изображения: