Show bomb disrupts canal graffio fa essen 1 asen the explosion of a time bomb destroyed the lock ot of the rort dort mund ehms canal near harrio early monday the canal wis was blocked to ekel seriously interfering with tile complicated inland waterway traffic in tho fluhr buhr this Is the most serious case ot of sab sabotage otilge yet reported on the ruhr kulir waterways the lock destroyed Is near the junction ot of the ems canal with the main canal that runs down to the rhine tit lit Du guisburg duisburg isburg and where the worlds law larg est eat inland port Is located |