so used for Photographic Reproductionsand Sketches, and allows in many cases more rapid work than any otherpencil or pen and ink. Try It, and you will readily appreciate its qualities. The NegroPencil is manufactured in5 degrees, No. 1being the softest and No. 5 the hardest grade, per doz.,g?1.00;… … In Eight Grades of Hardness: S—soft, to VH—very hard. No.141 to 14.5,151 to 155, Per Doz. each,.06 .50 .06 .50 68Xd Frost & Adams Co., 37 Cornhill, Boston. DIXONS FINE HEXAGON PENCILS.