Show post office nerves according to the testimony of some hospital hospital authorities post office nerves are due partly to the frequent changes from lay day to night duty with consi quent irregularities of meals and sleep partly to the changes of 0 work whereby the same clerk may be standing all lay day for another with diverse occupations each needing special knowl knowledge elge nence hence in the opinion of some medical to men en mechanical routine is I 1 less ess wearing than frequent change chance Is it t ao |