The World War Two American Naval Bombe
N-503
00 – Introduction
01 – General Overview
02 – Drums and Commutators
03 – Letchworth Enigmas`
04 – Menu Switches
05 – Mechanical Aspects
06 – Power
07 – Indicating commutators
08 – Positioning Commutators`
09 – Sensing
10 – Printing
11 – Diagonal Board
12 – Input Letter or Energise