Machine For Grinding Prescription Lens

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    w. r. wilson. machine for grinding lenses. application filed jan 18,1916. patented aug. 28, 1917. 2 sheetssheet 1.. w. r. wilson. maghine for grinding lenses.

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    Prior art keywords lens grinding grinder spindle blank Prior art date 1924-10-06 Legal status (The legal status is an assumption and is not a legal conclusion.

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