Virgil was highly excited by this new device, perhaps the greatest gift he has ever received in his life, luxuries he cared not for. Even though not a engineer or inventor himself he has great passion for technological advancements and nifty gadgets.
Suddenly there was a knock on the door, a servant entered with food and drink in hand. I'll demonstra.. Virgil turned to the door raising his eyebrows at the servant. "Excuse me your majesty here are the meals requested for yourself and his lordship." He then walked forward to put them down at the table. "Boy, leave that for later, we're in the middle of something." Virgil flipped the table on to its side and dragged it across the room against the wall. "Right then..." He cocked back the mechanism inserting several bolts into what it looks like tall thin box, a chain like device began to cycle. The bolts flew, the strings vibrating hectically. The box was empty within ten seconds. "It lacks the power and range of a conventional ballista, but for defence I say speed is much more important, I plan to have at least twenty of these manned around various choke points and guard posts in the city with a crew on them day and night." Virgil walked over to his bookshelf and took from it a round canister, a messenger box. He threw it at Maul. "Guard, go fetch a new table. Boy stay here until the table arrives. He turned back at Maul and said There's a copy, we done all the hard parts, I'm sure you'll find it useful...