The increasing size of the prime movers, of the transmitting mechanism, and of the machines proper, the greater complication, multiformity and regularity of the details of these machines, as they more and more departed from the model of those originally made by manual labour, and acquired a form, untrammelled except by the conditions under which they worked, the perfecting of the automatic system, and the use, every day more unavoidable, of a more refractory material, such as iron instead of wood the solution of all these problems, which sprang up by the force of circumstances, everywhere met with a stumbling block in the personal restrictions, which even the collective labourer of Manufacture could not break through, except to a limited extent.