Overview. This Open Path Gas Detector (OPGD) is specific to Carbon Dioxide (CO 2) The separate transmitter and receiver assemblies are certified for use in potentially explosive atmospheres and can detect CO 2 over distances of 5 to 120 meters.verview. This Open Path Gas Detector (OPGD) is specific to Carbon Dioxide (CO 2) The separate transmitter and receiver assemblies are certified for use in potentially explosive atmospheres and can detect CO 2 over distances of 5 to 120 meters.
P. G. Wodehouse. Pelham Grenville Wodehouse KBE (/ËwÊdhaÊs/; 15 October 1881 â 14 February 1975) was an English comic writer who enjoyed enormous popular success during a career that lasted more than seventy years.elham Grenville Wodehouse KBE (/ËwÊdhaÊs/; 15 October 1881 â 14 February 1975) was an English comic writer who enjoyed enormous popular success during a career that lasted more than seventy years.
Winnie the Pooh author AA Milne in January 1920Getty. AA Milne is known around the globe as the creator of one of the world's most beloved characters, Winnie the Pooh. What is less known about the author is that he worked for the British intelligence agency M1 7b. Yet the First World War veteran was a pacifist even before his involvement in the war.