Bernard Lassimone, a French mathematician, invented the standard manual pencil sharpener in 1828. In 1847, Therry des Estwaux invented an improved mechanical sharpener.
Roger Therry died in 1874.
Roger Therry was born in 1800.
Mechanical pencils are the same in principle. They allow you to have a (somewhat) sharp point on a pencil without causing the user to have a decent writing utensil without spending 5 minutes trying to get a sharp point on a regular pencil.
John Joseph Therry was born in 1790.
Therry Racon was born on 1984-05-01.
father Joseph therry was born in cork, Ireland 1790
Father Therry, from Cork, Ireland, was a priest in Australian in the 18th century. The link below will give you his biography in the Australian Encyclopedia.
John therry didn't have any brothers and sisters.
Muslim
1864
1790