Photographic Technology
c.1915
Photographs
April 1914
1910
1915
November 1913 to July 1914
July 1914
1914
March / April 1916
Locomotives and Rolling Stock Components
Domestic Appliances
1916
Road Transport
1913-1914
April 1916
c.1910
1913
Local History
1919
August 1914
October 1915
1912-1913
Electricity and Magnetism
1911
August 1915
Surgery
1914-1918
Microscopy (Wellcome)
1917
Coins, Medals & Tokens
Therapeutics
Ethnography and Folk Medicine
1910-1914
Public Health & Hygiene
Lighting
January 1915
Pharmacy-ware
Telecommunications
August 1911
September 1909 to June 1910
1909
November 1909
Electronic Components
Optics
1882-1909 (estimated)
1915-1916
Nursing & Hospital Furnishings
August 1909