The Railway Mail Service Library!

By 1925, a RPO clerk's basic salary was $2,450 per annum (one grade higher than that of post office clerks) and there was a 48 hour work week, with seven holidays during the year. Travel allowance was increased to $3.00 per day, there was a 10% night differential for working between the hours of 6:00 P.M. and 6:00 A.M., and employees received ... ................
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