Trade card of Samuel Morse, optician, 19th century.

Lewis Carroll, English writer, self-portrait, c 1860s.

Electric and International Telegraph Company office, London, 1859.

Portable double-needle telegraph and test set, 1850.

Portable double-needle telegraph and test set, 1850.

Portable double-needle telegraph and test set, 1850.

Wheatstone automatic tape transmitter, c 1850s.

'The Engineman', April 1948.

Operating a tape machine in telegraphy office at the Daily Herald, 8 June 1931.

Magimix food blender with mixing bowl attachment, 1951.

Magimix food blender with mixing bowl attachment, 1951.

Magimix food blender with mixing bowl attachment, 1951.