Froude
1867
Telecommunications
Photographs
Classical & Medieval Medicine
2050-1750 BCE
Textiles Machinery
1867 - 1968
Electricity Supply
2000-1350 BCE
Coins, Medals & Tokens
2000-1001 BCE
Mathematics
1867-04
Railway Infrastructure
Industrial Metrology
1878-1867 (design)
Astronomy
Heat Engines (non steam)
1991-1786 BCE
Obstetrics, Gynaecology & Contraception
1901-950
Building Construction
c. 1867
Locomotives and Rolling Stock Components
Mining & Ore Dressing
1877-192
July 1867