Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. When the specimen was as thin as desired and had been washed by allowing the machine to go with nothing but water upon the disk, it was ready to be removed and mounted. This was done by moistening it with gasoline upon a towel and then pouring thin celloidin over it. This was either hardened in alcohol or allowed to harden in the air. The platen was then immersed in benzole until the specimens dropped off, to be followed by another change of benzol to remove the excess of balsam that might still remain, carbol xylol to clear the celloidin, xylol, placed on a slide and covered with xylol balsam and cover-slip.