HC Deb 04 July 1932 vol 268 c20
41. Mr. McENTEE

asked the Postmaster-General for what continuous period were sorting clerks and others submitted to the secret speed-test expected to sort letters at the rate of 30 to the minute?


The test is applied to the sorting of 100 letters. The time taken in sorting this number of letters during a test has ranged from 2 minutes 20 seconds to 7 minutes 25 seconds.