Simple arrangement adapted for use in ordinary gas retort benches; results attained.1 illustration.

(He turns to the furnace) It flashes, see!Now may we trustful hold, That if, of substances a hundred-fold, Through mixture,for on mixture it depends The human substance duly we compose, And then in a retort enclose, And cohobate; in still repose The work is perfected, our labor ends.

For the purpose of bringing about this much desired end, I understand that some of the gentlemen present to-day have been burning their tar in the retort furnaces, and as it will be interesting to know what success they have attained, I hope some of them will favor us with their experience on this subject.