Three-quarter plate fusee frame complete with the train and uncut going-fusee, the arbors left long in the English tradition (see below), the 6-size hollow-back (no brass-edge needed) pillar-plate stamped W&JC (W & J Copple). No escapement parts. 43 mm diameter.
English watch manufacturing was split into at least forty separate specialist trades at this time, around 50% who were involved in the manufacture of rough movements, which the Swiss/French called an ebauche. It is easy to see how much work was still needed at this point, but also to see how wonderfully good and crisp was the work of these pre-eminent Lancashire based specialists.
NB: The English and Swiss/French systems of making rough movement are quite different, in as much as the English completely finished the wheels and pinions but left the final depthing to the finishers. In doing so they were able to fit the overly long arbors into the frame in over-size pivot holes ready for delivery, as seen in this movement. The finishers would have plugged the holes in the plate with hard brass and then re-drilled the pivot holes to size and finished the pivots as they depthed using a ‘depthing tool’. The Swiss system was to finish and fit the arbors into their finished size of pivot holes leaving the wheels ‘over depthed,’ ie, too tight into their pinion. The Swiss finisher then used a ‘topping’ or ’rounding up tool’ to reduce the wheel diameter until it ran correctly with its pinion.
I am sure workmen in both systems would have thought the others way was a waste of time but both obviously operated entirely successfully. This is the main reason I ensure that English rough movements are called by their traditional English name. To call them ebauches is to both an insult to the English and their European counterparts – they are different.
A good record of a tradition long since passed, and bearing a movement maker’s stamp that is rarely seen. In lovely crisp original stoned condition, cleaner than most rough movements that survive, and much better than it looks in my images.