Mark Philpott:
Stained Glass Ceiling
Mark Philpott:
Stained Glass Ceiling
Mark Philpott:
View from Bletchley Manor
Mark Philpott:
Bletchley Manor
Mark Philpott:
Bletchley Manor
Mark Philpott:
Hut 8
Mark Philpott:
Hut
Mark Philpott:
Hut
Mark Philpott:
Site
Mark Philpott:
Bombe Film Prop
Mark Philpott:
Bombe Film Prop
Mark Philpott:
Bombe Film Prop
Mark Philpott:
Bombe Film Prop
Mark Philpott:
12-bits of Memory !
Mark Philpott:
Flip-flop memory
Mark Philpott:
Analogue Computer
Mark Philpott:
Analogue Computer
Mark Philpott:
Analogue Computer
Mark Philpott:
Disk Packs
Mark Philpott:
Disk Packs
Mark Philpott:
Tape Drive
Mark Philpott:
Magentic Memory
Mark Philpott:
Abacus
Mark Philpott:
Curta Mechanical Calulator
Mark Philpott:
PDP11 - woohoo !
Mark Philpott:
The Heath Robinson
Mark Philpott:
The Heath Robinson
Mark Philpott:
The Heath Robinson
Mark Philpott:
The Heath Robinson
Mark Philpott:
Colossus
