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Creator
- Merck & Co.4
- Bausch & Lomb Optical Company3
- Beckman Instruments, Inc.3
- Leeds and Northrup Company3
- American Aniline Products1
- American Can Company1
- Arthur H. Thomas Company1
- Bike Athletic Company1
- Brown, Roy H. (Roy Henry), 1879-19561
- Dou, Gerard, 1613-16751
- Emergency Laboratories1
- Hankscraft Company1
- Harshaw Scientific, Division of the Harshaw Chemical Company1
- Humboldt Manufacturing Company1
- Industrial Instruments, Inc.1
- Johnston Drug Company1
- National Aluminate Corporation1
- Porter Chemical Company1
- Precision Scientific Company1
- Putnam Dyes1