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Spectacle Lense Grinding Machine

Historical grinding machine for spectacle lenses mafo,may 27, 2020 In the beginning grinding of spectacle lenses was done entirely by hand. thus chroniclers report dozens of unqualified workers spending days giving the blanks supplied by the glassworks their desired shape. On grinding machines, whose antecedent was the potters wheel, one side of the lens was ground to a shape corresponding to a spherical surface.

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