Planting the gear train

Depthing tool, custom made to John Wilding's instructions.

Marking out the front plate.

Depthing the great wheel with the centre arbor pinion.

Transferring the optimal meshing depth penetration of the great wheel to the centre arbor pinion.

Scribing the line on the front plate.

Fully marked out front plate, ready for drilling.

Front plate along with wheel and pinion combinations.

Ready to drill the front plate.

Drilling oil sinks in the back plate.

Depthing the minute and reverse minute wheels.

Drilling the minute wheel motion work pivot into the front plate.