Answer:
The article states that the Arabia represents a "time capsule" of life in the mid-19th century, offering a unique glimpse into the material culture and social conditions of the era. The excavation and preservation of the ship and its cargo have provided historians and archaeologists with a wealth of information about the everyday lives of people during this period.
The article also notes that the Arabia's cargo includes a wide range of items that were essential to the economy and daily life of the region, such as textiles, tools, and foodstuffs. By analyzing these artifacts, researchers can gain a better understanding of the economic and cultural networks that existed in the mid-19th century, as well as the technological and material practices that underpinned them.
Taken together, these details suggest that the "real treasure" of the Arabia shipwreck lies not in its material riches, but in the knowledge and insights that can be gained from studying its artifacts and historical context.