Complete Suspension; this is fully assembled and ready to be fitted to the back plate.
Suspension spring; one of the 2 suspension springs, for reference I have added a group of modern suspension springs.
Milling square for beat setting; this the center shaft used to set the beat.
Knurling beat setting nut; one of the six knurled nuts on the suspension Cross drilling square; the square shaft has a knurled nut with a matching square that fits over the shaft and is held in place with a tapered steel pin.
Pressing square; a hardened steel drift is pressed through the brass nut which has a clearance hole drilled.
Shaping shoulder; the lower chops of the suspension over which the pendulum hook is placed.
Suspension plates ready to be matted; the plates have been fitted, chamfered and polished.
After matting; the 3 plates are now matted this is rather difficult to take a clear photo of.
Threading Suspension frame; the supports are line bored then threaded.
Punching holes in the springs; A steel jig with a hardened steel punch is used to make uniform sized springs, a simple but very effective tool.
Suspension components; all the pieces laid out to see.