At first wheeled carriages were used, but when fixed gun mountings came into being, it was necessary to construct a jury carriage from timber.
Ekuqaleni izithwali ezinamavili zazisetyenziswa, kodwa ukunyuswa kompu olungisiweyo kwenzeka, kwaye kwakubalulekile ukuba kwenziwe isithwali esiyijuri ngomthi.