e 10 7 Plain Dividers, 3^4 inches long each, g2 25 8 Plain Dividers, 5 inches long 2 *o 9 Hairspring Dividers, 3^^ inches long 3 5° JO Hair-spring Dividers, 5 inches long ;< 75 U6i J Frost & Adams Co., 37 Cornhill, Boston. ^ Alteneders Patent Joint Dividers. Willi Hair-Spring Attachment on… … These instruments are the same in size, and possess all the features ofthe dividers already described, with the addition of a screw-adjustment ofthe needle-point leg, a refinement which aids materially in accurate work, isuseful in ordinary work and which does not detract in the least from…
