text:  If this is the case as undoubtedly it is with those who are exclusively immersed even in the learned professions which require an exercise of thought and can be founded only on a long and cultivated education how much more must it be the case with those whose occupation is purely mechanical and so trivial that it may be learned in a few days--as twirling a film twisting a cotton dabbing a plate or drawing a cloth out of a vat? Such operatives are exposed at every period of their lives to the greatest evils which can debase humanity--uncertainty of subsistence and monotony of occupation