It was the rule for them to have paying apprentices living with them.
In the trade gilds there were apprentices, companions, and masters.
Such apprentices should be free at birth, but were to be supported by the masters of their parents for six years.
Graduates of technical schools are received as special apprentices and are directed in a course of four years through the erecting shops, vice shop, blacksmith shop, boiler shop, roundhouse, test department, machine shop, air-brake shop, iron foundry, car shop, work of firing on the road, office work in the motive power accounting department, and drawing room; the most competent may be admitted through the grades of inspector, in the office of the master mechanic or of the road foreman of engines, assistant master mechanic, assistant engineer of motive power, master mechanic and superintendent of motive power.
The working of children under twelve years of age in any factory or manufacturing establishment is unlawful, the working of children between the ages of twelve and thirteen in such places is allowed only on condition that they be employed as apprentices and have attended school for at least four months during the preceding year; and no boy or girl under fourteen is to work in such places during night time.