Timing Devices

There are four Assemblies which can loosely be described as timing devices. In addition, there are other timing cams fitted directly to the rear of the machine

Index Unit
Cam Box

Circuit Breaker

Stop & Cancel Unit
Other Timing Cams

The four main units are driven by spur gears. The full set is shown above. These gears were cut by Giles Parkes in his home workshop.

Return to Rebuild Programme Index

Return to Main Bombe Index