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American Optical Corp. (AO), Buffalo, NY:
1950 Complete Equipment for Phase Microscopy
1950 Phase Microscope Price List
1955 Spencer Medical Microscopes
1974 Differential Interference Contrast by Incident Light (DICV) Microscopes
Undated AOUndated AO-Total Solids Meter: a Goldberg Refractometer
Undated AO Laboratory Microscopes
American Society for Metals: undated, And Now There are Six Volumes of Metals Handbook
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