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- Minerals8
- Precious stones8
- Bausch & Lomb Optical Company4
- Molecules--Models3
- Plastics3
- Colorimetry--Instruments2
- E.I. du Pont de Nemours & Company2
- Microscopes2
- Optics2
- Refractometers2
- Amazonite1
- Athletics--Equipment and supplies1
- Audiocassettes1
- Barite1
- Bathing suits1
- Beckman Instruments, Inc.1
- Bike Athletic Company1
- Calcite1
- Celestite1
- Celluloid1