Arthur Mainwaring Forest. In 1641 the forest was the scene of disorder and poaching of the deer, and he recommended firm action around Egham, which was however thwarted by local sympathies. He had objected at the beginning of the reign of Charles I to the East India Company's gunpowder mills on the edge of Windsor Forest; later, in 1635, he was himself in the gunpowder business with Andrew Pitcairn. Arthur Mainwaring Sir Arthur Mainwaring (c. 1580 – 1648) was an English politician who sat in the House of Commons from 1624 to 1626. Mainwaring was the eldest son of Sir George Mainwaring
William Mainwaring Federation of Great Britain in 1924, but was narrowly defeated by A. J. Cook. Mainwaring polled 49,617 against Cook's 50,123 votes. Cook went on to win the post and vacated his previous post as miners' agent for the Rhondda district; Mainwaring was appointed to succeed him. He was one of two agents for the district, and with his fellow agent Alderman David Lewis, Mainwaring had to fight the attempts by members of the Communist Party of Great Britain to gain influence. In 1928, under Communist influence, the lodges of the Rhondda Miners' Federation called for a membership ballot to elect