Subject
- National Physical Laboratory (Great Britain)1
- Naval stores industry1
- Nitration1
- Norris, James F. (James Flack), 1871-19401
- Parsons, Charles Lathrop, 1867-19541
- Perkin-Elmer Corporation1
- Polyester fibers industry1
- Research1
- Robots1
- Royal Institute of Chemistry1
- Scholarly publishing1
- Science--Study and teaching5
- Scientific apparatus and instruments2
- Spectrophotometer1
- Sulfonation1
- Tree stump removal1
- United States. Navy1
- Università di Bologna1
- Università di Firenze1
- Università di Padova1