at which time the court heard the testimony of the plaintiff and some expert testimony as well. Much of the testimony at that session pertained to the question of whether plaintiff's application and plans complied with the standards promulgated by the State of New Jersey, Department of Health. On motion plaintiff was granted leave to amend his application and the plans which accompanied it. Trial was resumed in June 1960 and at this session it was stipulated by counsel that the amended application and plans, as submitted, complied with the aforesaid standards.
However, on April 22, 1960 the township amended its zoning ordinance so as to prohibit trailer parks in the industrial zone. Simultaneously, the township adopted another ordinance repealing the trailer ordinance. The effect of these enactments wasto prohibit the operation of trailer parks or the maintenance of trailers in any part of the township.
On May 5, 1960 plaintiff instituted a second action in lieu of prerogative writs demanding that the ordinances of April 22, 1960 be declared invalid, and inapplicable to the use of his property as a trailer park.
At the first trial plaintiff introduced evidence relating to the nature and character of the community, particularly the industrial zone. This evidence included photographs of homes and other structures in the immediate vicinity of the subject premises. These structures included an old bus used as living quarters; a one-story shack used for repairs of television sets; a combination trailer and dwelling; a farmhouse and barn; several old dilapidated shacks; a one-story structure utilized as a