Battery driven hearing aid, 1950-1970.

Schooner 'E W Morrison', 1870.

Three Bunsen burners and an Argand gas burner, late 19th-early 20th century.

Robert Esnault-Pelterie, French pilot and aircraft designer, early 20th century.

Sir Hiram Maxim's 'Pipe of Peace' bronchial inhaler, 1909-1910.

Sir Hiram Maxim's 'Pipe of Peace' bronchial inhaler, 1909-1910.

Egyptian cargo and ferry boat used on the Upper Nile, early 20th century.

The American Special boat train, early 20th century.

Nes yole from Lerwick, Shetland Islands, early 20th century.

Daimler motor car, 1899.

Daimler motor car, 1899.

Joseph Priestley's microscope, 1767.