Axial pencil, [7], [8], [23], [50], [54]

Axis of perspectivity, [8], [47]

Bacon (1561-1626), [162]

Bisection, [41], [109]

Brianchon (1785-1864), [84], [85], [86], 88, [89], [90], [95], [105], [113], [174], [184]

Calculus, [176]

Carnot (1796-1832), [179]

Cauchy (1789-1857), [179], [181]

Cavalieri (1598-1647), [162]

Center of a conic, [107], [112], [148]