This method has been used very successfully not only in cleaning sewers, but also in cleaning long lines of iron pipe which had ... Supervisor, Northern Pacific, Fargo, N. D. Second Answer The following methods for handling clean-out work were given at ... 8 in. and 12 in. in diameter. from 2-in. plank, and mounted them on iron rods to which ropes were attached. ... If, however. the putting on, taking off and storing of these windows devolved upon the maintenance of way department , anbsp;...
|Title||:||Railway Maintenance Engineer, Volume 18, Number 1|