Thomas Mayer-Maguire has been extensively involved in First and Second World War 'Living Hisotry' for a number of years, having presented many educational displays across the country. Tom is a professional engineer who has been an avid militaria collector for many years. He helps to run the Tommy Atkins Historical Society, a Living History group based in the Midlands. Tom has always had a keen interest in anti-gas equipment and military respirators. This collector's guide is the culmination of many years of collection experience and historical research.