Various images of Literary Works
  
      195. Hunkugsinjogigyedoseol 1867

size : width 22.7 length 30 Written copy, Book 1
Courtesy : Korea Army Museum
Book of military science about armaments maufactured by Sin Heon
while he was in Hunryeondogam(Martial arts training center)
with diagrammatic charts particularly on various kinds of No(Arrow launchers).