Page 386 - My FlipBook
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Fio. 1G2. The grnathodynamomcter, about two-thirds natural size. Face view. c, c. The nibber
pads bitten upon in determining the pressure of the teeth. d. Scale of pounds. E. Needle which
marks the povinds. In use this needle rcmaina stationary at the highest point reached until it is
moved by the fingers.