Telecommunications
1875-1880
Water Supply Metering
1872 (original); 1909 (model)
1872-1880
Locomotives and Rolling Stock
1874
Materia Medica & Pharmacology
1883
1878
Wellcome (general)
1882
Mathematics
1872
Textile Industry
c. 1880
Anatomy & Pathology
1870
1880
Radio Communication
Public Health & Hygiene
1873
Domestic Appliances
Photographs
Clinical Diagnosis
1876
Road Transport
1884
1885
1875-1885
1870-1877
1879
Miscellanea & Curiosities
Computing & Data Processing
1871
c. 1870
1870-1881
Audiology
C. 1870
Lighting
Motive Power
Temporary Exhibitions