Telecommunications
1858
Therapeutics
Lighting
1835-1845
Mining & Ore Dressing
1880-1889
1790-1810
1801-1900
1827
Microscopes
Classical & Medieval Medicine
701-1200
1860-1881
100-1 BCE
1801-1865
300 BCE
300-300
100 BCE - 200 CE
Coal Mining
100 BCE - 300 CE
Asian Medicine
1855-1857
Microscopy (Wellcome)
1880-1930
1701-1900
c. 1780-c.1830
200-300
26/10/1970
Meteorology
1839-1857
1820-1860
200-400
30-300
c. 200 CE
1900