His sister had placed her son Perdix under his charge to be taught the mechanical arts.

But Perdix was a very apt learner, and soon surpassed his master in the knowledge of many things.

PERDIX, inventor of saw and compasses

"I have only tried to help you," answered Perdix.

A suite of models is proposed for estimating the risk of pesticides against the grey partridge (Perdix perdix) and their clutches.

Day after day, while at his work, Daedalus pondered over this matter, and soon his heart was filled with hatred towards young Perdix.

Brent Reynolds joins Houlihan from Perdix Capital Management, an investment management company he founded that focuses on public market trading around significant IP litigation.

Not long after this, when the two were in a tall building, Daedalus gave Perdix a push that sent him headlong toward the ground.

He was willing, though, to teach others all he knew, and sister, living near, sent her son, Perdix, to him to learn what he could.

"Take my irons, if you will not be angry with me," said Perdix, and he handed him a pair of compasses.