The historical concept of old submarines, with their fascinating blend of innovation and ingenuity, has left an indelible mark on the annals of maritime history. These early submersibles, often dating back to the 17th and 18th centuries, captured the imagination of inventors and naval enthusiasts alike. Their designs ranged from primitive wooden vessels with hand-cranked propellers to more sophisticated creations that paved the way for modern submarines. While their operational capabilities were limited compared to today's submarines, these historical relics serve as a testament to human curiosity and determination in exploring the mysteries of the underwater world. Studying these historical old concept submarines offers a valuable glimpse into the evolution of underwater technology and the relentless pursuit of conquering the depths of the ocean.