The zoning regulations and districts herein set forth and as identified upon the Zoning Map of the City of Corning are made for the purpose of promoting public health, safety and general welfare and prescribing the most desirable use for which the land in each district may be adapted and those uses to be subjected to special regulations, while conserving value of land throughout the City. The height, bulk and location of buildings and other structures, the area of yards, courts and other open spaces, the density of population and location and use of buildings, structures and land for trade, industry, residence, or other purpose, are hereby restricted and regulated as hereinafter provided.