Tree Study 



735 



3. Two six-inch rubber rollers, such as photographers use in mounting 

 prints, which cost 15 cents each. A letter-press may be used instead of one 

 roller. 



4. A small bottle of kerosene to dilute the ink, and a bottle of benzine 

 for cleaning the outfit after using, care being taken to store them safe from 

 fire. 



5. Sheets of paper 8^2 x n inches. The paper should be of good 

 quality, with smooth surface in order that it may take and hold a clear out- 



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of a sycamore maple. 



line. The ordinary paper used in printers' offices for printing newspapers 

 works fairly well. I have used with success the paper from blank note- 

 books which cost five cents a piece. 



To make a print, place a few drops of ink upon the glass or slate, and 

 spread it about with the roller until there is a thin coat of ink upon the roller 

 and a smooth patch in the center of the glass or slate. It should never be so 

 liquid as to "run," for then the outlines will be blurred. Ink the leaf by 

 placing it on the inky surface of the glass and passing the inked roller over 

 it once or twice until the veins show that they are smoothly filled. Now 

 place the inked leaf between two sheets of paper and roll once with the dean 



