In the year 1834 my grandfather published his book entitled 'The Philosophy of Health,'[12] the preparation of which had been a work of great care, and had occupied much time for several years before. This book, which was, perhaps, the first attempt to bring the truths of human physiology within the comprehension of the general reader, achieved a marked success. It was full of the clearness and force which characterised all the writings of its author. The strides of modern science have now, of course, left its physiological teaching far behind, but at the time it did original educational work and added lustre to his name. His life in chambers must have been an arduous one--first at 36 New Broad Street, afterwards at 38 Finsbury Square,--his days given up to his ever-increasing practice, his mornings and evenings to writing: the amount achieved was prodigious, and he allowed himself but little relaxation. I may mention that it was at this time that my grandfather first visited at the house of old Mr Gillies, a city merchant of refined literary tastes and the father of the two distinguished women, Mary and Margaret Gillies (author and artist), who afterwards became the friends for life of himself, his wife, and daughters, and in whose home he--and I with him--had rooms in Kentish Town and afterwards at Highgate, though he occupied for professional purposes the rooms in the city to which I have before referred. Footnote 11: Herman Southwood, born 1820, died 1897; Christina and Spencer, died in childhood. Footnote 12: Longmans, 1834. CHAPTER IV. WORK ON THE FACTORY COMMISSION, 1833. In the year 1833 it became clear that some legal interference was necessary with regard to Factories. In order to understand the abuses which existed in factories in 1833, we must revert to the system of employment at the end of the last century and trace its gradual development.