00783cam a22002291 4500001001300000003000400013005001700017008004100034010001700075035001900092040005800111042001200169050001400181100003300195245011900228260005000347300001700397490006500414490004500479650001700524650001200541s 13000081 DLC20260227111910.0780104s1871 dcu f000 0 eng c as 13000081  a(OCoLC)3530882 aLibrary, Smithsonian InstitutioncNGenoUdNGenoUdDLC apremarc00aQ11b.S681 aFerrel, William,d1817-1891.10aConverging series expressing the ratio between the diameter and the circumference of a circle.cBy William Ferrel. a[Washington,bSmithsonian Institution,c1871] a6 p.c33 cm.0 aSmithsonian contributions to knowledge. [vol. XVIII, art. 5]0 aSmithsonian Institution publication 233. 0aMathematics. 0aCircle.