On kerosene lamps the new chimney, compared with the contracted Prussian one, gives an increase of 40 per cent.

In arc lamps the magnet for forming the arc can be composed of a closed conductor, a coil for the passage of current, and an iron wire core.

EPILOGUE TO A MOTHER, ON SEEING HER SMILE REPEATED IN HER DAUGHTER'S EYES A thousand songs I might have made Of You, and only You; A thousand thousand tongues of fire That trembled down a golden wire To lamp the night with stars, to braid The morning bough with dew.