The battering ram.
The Romans did not invent the battering ram, rather it was the Assyrian Empire. Tudiya was the first king of the empire.
battering ram
We studied the Assyrians and built a battering ram, chariot and a siege ... Chariots, battering rams and siege towers all make use of simple machines.
because it helped Assyrians conquer their enemies
Robert Dennard did not invent the battering ram, this was invented many 100's of years before he was even born. What Robert Dennard did invent was DRAM (Dynamic Random Access Memory).
a scaling tower with a battering ram attached to it
No as the battering ram was a medieval siege machine
We're going to need a larger battering ram for thiscastle...The battering ram will be ready within the hour, Sire.We shall utilize the battering ram just after the second volley of burning rubbish has been delivered by our catapults.
A skilled battering ram technician can crank one out in 49 minutes
the battering ram is held by one or two people to bash a door down easier.
I think you mean battering ram?