Siemens and Halske T52e teleprinter cipher machine, c WWII.

ANITA calculator. This was the first commer

Mobile Phone Eriscson SH888

Wooden carrying case for 'Enigma' cypher machine, c 1930s.

Length of submarine telegraph cable, 1869.

Standard resistor no.4644, by Nalder Brothe

Mobile Phone One2One

Mobile Phone Motorola star tac

'Micro T-A-C Classic', by Motorola,

Portable British Typex machine, c 1930s.

The pattern panel of the 'Colossus' computer, Bletchley Park, 1943.

Mobile Phone Motorola star tac