Ploughshare
41Joseph Needham — For the English cricketer, see Joseph Needham (cricketer). For the Saskatchewan politician, see Joseph Needham (Canadian politician). Joseph Needham Born Noel Joseph Terence Montgomery Needham 6 Dec …
42Lee McGeorge Durrell — (nee Wilson) (b. September 7 1949) is a naturalist, author, zookeeper and television presenter, best known for her work at the Jersey Zoological Park in the British Channel Island of Jersey with her late husband Gerald Durrell, and for co… …
43Rib vault — Cathedral of Reims, France …
44Trident Ploughshares — originally named Trident Ploughshares 2000 is an anti nuclear weapons group, founded in 1998 with the aim of beating swords into ploughshares (taken from the Book of Isaiah). This is specifically by attempting to disarm the UK Trident nuclear… …
45Differential analyser — This article is about analogue differential analysers. For the digital implementation, see Digital Differential Analyzer. Thomson disc and sphere analyser for studying tides The differential analyser is a mechanical analogue computer designed to… …
46Ivan Bloch — Infobox Person name=Ivan Bloch caption= birth date=birth date|1836|7|24|mf=y birth place=Radom, Poland dead=dead death date=December 25, 1902/1901 death place=Warsaw, Poland: For the sexologist Ivan Bloch, see Iwan Bloch Ivan Stanislavovic Bloch… …
47List of Acacia species — Several cladistic analyses have shown that the genus Acacia is not monophyletic. While the subg. Acacia and subg. Phyllodineae are monophyletic, subg. Aculeiferum is not. This subgenus consists of three clades.Therefore, the following list of… …
48Music of Aruba and the Netherlands Antilles — The music of the Netherlands Antilles and Aruba is a mixture of native, African and European elements, and is closely connected with trends from neighboring countries like Venezuela and Colombia and islands like Puerto Rico, Cuba, Santo Domingo,… …
49Plough Sunday — is a traditional English celebration of the beginning of the agricultural year that has seen some revival over recent years. Plough Sunday celebrations usually involve bringing a ploughshare into a church with prayers for the blessing of the land …
50Plowshare — In agriculture, a plowshare (or ploughshare) is a component of a plow (plough). It is the cutting or leading edge of a moldboard which closely follows the coulter (one or more ground breaking spikes) when plowing (ploughing).The plowshare itself… …
