How many of the first tanks carrying the QF 6-pounder 6 cwt Hotchkiss were built?
QF 6-pounder 6 cwt Hotchkiss: The Ordnance QF 6-pounder 6 cwt Hotchkiss Mk I and Mk II was a shortened version of the original QF 6 pounder Hotchkiss naval gun, and was developed specifically for use in the sponsons of the later Marks of British tanks in World War I, from Mark IV onwards.
i don't know