Show A WARSHIP Hamburg Dispatch to Seattle Times In view of the movement In En and for the extermination of rats it is of Interest to know that the Hamburg Hambur harbor authorities have a veritable battleship enraged en in the campaign The specially built steamer tor Is employed here primarily for tor the destruction of rats on ships that have arrived from ports The system used poisonous gases gases which do not damage property was de do devised devised by Professor A mixture of 5 per cent carbonic ox oz oxide oxIde ide gas 18 per cent carb acid and 77 per cent nitrogen is Js conveyed from the by pipes into the holds of the ships being treated and after thorough fumigation currents of fresh air are blown through Many vessels ls have been successfully cleaned and countless thousands of rats destroyed As many as dead rats have been counted after one tion |