Subject
- Physical instruments3
- Pigments industry3
- Rayon3
- Rumford Chemical Works3
- Silk3
- Stains and staining3
- Steam-boilers3
- Stereotypes (Social psychology)3
- Textile printing3
- United States. Office of Civilian Defense3
- Varnish and varnishing3
- Varnish industry3
- Water quality3
- Water quality--Testing3
- Water--Analysis3
- Weeds--Control3
- Women in chemistry3
- X-rays3
- Zinc industry and trade3
- Advertising, Industrial2