Visual function more than 10 years after optic neuritis: experience of the optic neuritis treatment

A method of smokeless charging of coke ovens with coal charge in which coal is poured into each chamber of the coke oven in two stages: firstly coal charge is loaded into the oven chamber through extreme holes and charging gases liberated during said operation are discharged simultaneously, the loaded coal charge is held within the oven, after which the latter is replenished to capacity with coal charge through central holes, charging of the oven which is next in terms of the charging schedule and replenishing of the preceding one being effected simultaneously.