Photographs
1862
Therapeutics
Printing & Writing
Telecommunications
1863
Industrial Chemistry
1862-1863
1865-1866
Heat Engines (non steam)
1865
Medical Glass-ware
1864
Clockmakers
Hand and Machine Tools
1863-1865
1862-1866
1866
Electricity and Magnetism
Printed Books
Elizabeth Walker
Plastics and Modern Materials
c. 1862
Signalling & Telecommunications
Classical & Medieval Medicine
2050-1750 BCE
Photographic Technology
Textiles Machinery
Metallurgy
2000-1350 BCE
c. 1863
1863-07
Locomotives and Rolling Stock
.Unattributed
ca. 1865