Subject
- Lunardi, Vincent, 1759-18064
- Lynx1
- Magic1
- Magnetism4
- Magnetite1
- Magneto-electric machines7
- Magnifying glasses40
- Maier, Michael, 1568?-16222
- Malachite1
- Mammals4
- Manganese ores1
- Maps18
- Marble2
- Marcet, Mrs. (Jane Haldimand), 1769-18581
- Marine algae2
- Marsupials1
- Materia medica21
- Materia medica--Early works to 18003
- Mauve2
- Medicinal plants1