This article shall not be construed to affect in any manner any other pension fund organized or created under any law existing on May twenty-ninth, one thousand nine hundred and thirty-seven, nor shall the same affect in any manner any pension association or corporation organized and existing under any law existing on said date, nor shall it affect any of the members thereof; nor shall it affect any county whose probation officers have or may hereafter merge or join in any other pension fund.
N.J.S. § 43:10-59