Radio Communication
1934
Classical & Medieval Medicine
1520-1530
Time Measurement
1392
Locomotives and Rolling Stock
1913
Industrial Metrology
Made late 1700s, modified 1800s
1933
1927
1708
King George III
1720
Telecommunications
1846
Lighting
1879
1941
Acoustics
1873-1876
Microscopy (Wellcome)
1701-1723
Surveying
1801-1830
Clockmakers
1700
1675-1685
1753
1665-1666
1931
1728
1675
Astronomy
1878
Domestic Appliances
1850-1857
Meteorology
1876-1884
Wellcome (general)
1917
Road Transport
1900
1801-1900
Tools of the Trade & Personal Accessories
1948-1970
Orthopaedics
1914-1918
Building Construction
c. 1988
Laboratory Medicine
1945-1950
Dentistry
1850-1928
Clinical Diagnosis
1931-1940
1820-1850
Hand and Machine Tools
1882-1908
Mathematics
Geophysics
Ethnography and Folk Medicine
1780-1820
Navigation
1861-1862
1862-1900
1851-1900
Optics
1730-1740
Aeronautics
1948
Printed Materials & Ephemera
1903
Coins and Medals
1947
Computing & Data Processing
1870-1871
1909
Heat
1875