Various images of Chongtong and Chongtongjeon
  
      158. Cheonjachongtong 1555

Length :131 cm diameter :130 mm weight : 296 Kg
Inscription : ʩ ߲ (Judging from the inscription it is estimated that this cannon was manufactured on the 10th year of King Myeonjeon's reign)
Courtesy : Military Museum (Source: National Museum of Korea )
Divided into Yakshil(powder chamber) and Tongshin(barrel) from the second joint from the whole 8 bamboo-like joints. Fires Daejangkunjeon(the great general's cannonball).