Subject
- Chemistry--Study and teaching8
- Dyes and dyeing8
- Cavallo, Tiberius, 1749-18097
- Chemistry--Nomenclature7
- Electric machines7
- England--Cumberland7
- England--Northumberland7
- Faujas-de-St.-Fond, cit. (Barthélemy), 1741-18197
- Geology7
- Magneto-electric machines7
- Rocketry7
- Science--Terminology7
- Shells7
- Sherwin, William7
- Coal trade6
- Coins6
- Engraving--Printing6
- Excavations (Archaeology)6
- Fishes6
- Fossils6