Telecommunications
1875-1880
Water Supply Metering
1872 (original); 1909 (model)
1872-1880
1865-1867
Locomotives and Rolling Stock
1874
Textile Industry
c. 1880
1878
Mathematics
1872
Clinical Diagnosis
1876
Surgery
1866-1870
1865
1880
Radio Communication
Domestic Appliances
1870
Anatomy & Pathology
Public Health & Hygiene
1873
1866
1870-1877
1879
Computing & Data Processing
1871
Miscellanea & Curiosities
c. 1870
1869
C. 1870
Lighting
1865-1866
Temporary Exhibitions
1867
Microscopy (Wellcome)
1870-1880