Mathematics
1876
Photographs
c. 1871
Railway Infrastructure
1875
Ethnography and Folk Medicine
1880-120
Therapeutics
1880
1865
Heat
1870
Miscellanea & Curiosities
1871
Textiles Machinery
1874
Obstetrics, Gynaecology & Contraception
1865-1875
Weighing & Measuring
c.1875
Metallurgy
before 1873
1869
before 1880
before 1868
before 1872
Cinematography
1865-1880
Tools of the Trade & Personal Accessories
Surgery
1866-1871
Geophysics
1873
Microscopy (Wellcome)
1880-1870
1872-1875
1867-1874
Materia Medica & Pharmacology
1872
Time Measurement
hallmarked 1877
1877
Microbiology
1875-1878
1870-1880
Domestic Appliances
1867-1870
c. 1880
Ophthalmology
Telecommunications
1875-1880