Found strange artifacts in Ho's citadel

Artifacts are crafted from stone, trapezoidal, head with round holes through, weight tons. Scientists have identified that this object is used in gunfire techniques against enemies .

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On January 7, Center B, virtual survival of the Ho Dynasty (Thanh Hoa) said, in the archaeological excavations at the Royal Road and the trench area recently, archaeologists have discovered three Very mysterious artifacts. They are all made from green limestone, the same kind of stone used to build Ho's citadel, bearing the shape of a weight-shaped shape (trapezoidal form), with round holes through the upper body, the weight of the pellet is large tons.

According to the Director of the Institute of Archeology, Assoc. Prof. Trung Trung Tin, this may be the counterweight of the rock-firing lever (mechanical rock gun) used to fire the stone marbles served by the Ho. At the end of the 14th and early 15th centuries, this could be considered a mechanical weapon that contributed to the defense of the Ho dynasty and was also used by feudal dynasties later.

Some researchers believe that the artifact found is the counterweight of the pulley pulley to build the citadel. At the end of the 14th and early 15th centuries, when construction techniques were still underdeveloped, most of them relied on manual labor, the invention of pulleys pulling stones up high was considered the ingenious creation of the construction worker of the Ho period. Depending on the volume of a large or small block of rock to pull up, workers can use one or more of these tools to counterbalance the pulley.

Many elderly people in the locality said that through the story told by his father, this is a tool used by Ho to work on elephant pillars, one of the most commonly used animals of Ho in transporting stones. .

According to Mr. Nguyen Xuan Math, deputy director of the Ho Chi Minh City Heritage Center, the explanatory points about the use of this artifact are still mysterious and need to be studied. Currently, this kind of artifact has been put on display at the additional showroom of Thanh Nha Ho World Heritage site for sightseeing and promotion of the heritage value.

Recently, through archaeological and statistical excavations, officials of the Center for the Preservation of Ho Chi Minh City Heritage Center have continuously discovered many ancient stone exploitation sites as well as artifacts related to the process of existence. Ho's house. Recently, the centers have discovered an ancient well thought to have been hundreds of years old in the center of Xuan Giai village (Vinh Tien commune, Vinh Loc district).