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.
The book  Jock of the Bushveld  was written by Sir Percy Fitzpatrick in 1905, for his young children, and tell the story of his dog Jock and their adventures in South Africa some 20 years before.immons In Fitzpatrick's Footsteps Jock of the Bushveld's Paradise Camp. By D.J. Coetzee, B.P. Simmons and W. Knoesen Recommended Reading: Jock of the Bushveld. By Sir Percy Fitzpatrick. ISBN 0 636 01116 X. Publishers: Maskew Miller Longman (Pty) Ltd, Cape Town.