"Old File and Young File, Mill and Screw--Mr.Frank Softly.

We have nicknames in this workshop, Mr.Softly, derived humorously from our professional tools and machinery.

When you have been here long enough, you will get a nickname, too.

Gentlemen," he continued, turning to the workmen, "this is a new recruit, with a knowledge of chemistry which will be useful to us.

He is perfectly well aware that the nature of our vocation makes us suspicious of all newcomers, and he, therefore, desires to give you practical proof that he is to be depended on, by making half-a-crown immediately, and sending the same up, along with our handiwork, directed in his own handwriting, to our estimable correspondents in London.