Ricin chain A. This vaccination is effective for several months due to the body's production of antibodies to the foreign protein. In 1978 Bulgarian defector Vladimir Kostov survived a ricin attack similar to the one on Georgi Markov, probably due to his body's production of antibodies. When a ricin-laced pellet was removed from the small of his back it was found that some of the original wax coating was still attached. For this reason only small amounts of ricin had leaked out of the pellet, producing some symptoms but allowing his body to develop immunity to further poisoning. The seeds of
Waterloo Helmet Waterloo Helmet The Waterloo Helmet (also known as the Waterloo Bridge Helmet) is a pre-Roman Celtic bronze ceremonial horned helmet with repoussé decoration in the La Tène style, dating to circa 150–50 BC, that was found in 1868 in the River Thames by Waterloo Bridge in London, England. It is now on display at the British Museum in London. The helmet was dredged from the bed of the River Thames close to Waterloo Bridge in 1868, and in March of the same year it was given on loan to the British Museum by Thames Conservancy. In 1988 its successor body,