214 STANDARD TWIST DRILL. one can find them. They are also altered at will by Photographers’ Registering’ and Drying any person who is too lazy to look for the proper Rack. size; they are improperly ground, and, in short, ill Great progress is being made in photography, and used in so many ways… … ing a complete drying rack. by the side of the tool illus- saving of space andin the indestructibility of their drills are to be used in, and may be planed square on the blank end or turned taper, for which purpose a metal surfaces. A registering rack, such as shown in the engraving, tive feet…
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