ABSTRACT
Hitherto our analysis has been concerned solely with changes in the years 1945 to 1951. The information which we obtained, however, covered the whole working lives of the men interviewed. We were, therefore, able to raise some questions concerning mobility for which data from the post-war years alone would not have been sufficient. In the studies which follow, we have attempted some further generalizations, drawing on the information given to us about changes made throughout the working lives of the men concerned.
