1. A merchandise display rack, comprising: a display rack having a closed top, bottom, back, sides and an open front, means within said rack to support merchandise for display, a transparent barrier mounted to the front of said rack, said barrier being provided with an opening through which a person can extend a hand to grasp an article of merchandise to view and inspect through said barrier but with said opening being of a size related to the merchandise displayed through which the merchandise is incapable of passing a conveyor encased within said rack and disposed at the front thereof adjacent said barrier on a plane below the merchandisesupporting means so that an article of merchandise being inspected and incapable of being withdrawn through said opening can be deposited on said conveyor, said conveyor adapted for continuous operation during the normal use of said display rack to deliver merchandise deposited thereon to a point of deposit exteriorally of said rack, and means cooperating with said point of deposit to limit access thereto to preselected persons exclusive of those depositing merchandise on said conveyor.

3. A merchandise display rack, comprising: a display rack having a closed top, bottom, back, sides and an open front, a plurality of spaced vertical and horizontal partitions within said rack and on said back to provide a plurality of rows of merchandise receiving compartments, a transparent barrier mounted to the front of said rack, said front being spaced sufficiently from said back and said compartments to provide an unobstructed merchandise examination and inspection area, said barrier being provided with a plurality of rows of spaced openings through each of which a person can selectively extend a hand to grasp an article of merchandise from any one of a plurality of compartments for removing it from a respective compartment to said examination and inspection area where it can be viewed and inspected through said barrier, said openings being of a size related to the merchandise displayed through which the merchandise is incapable of passing, a conveyor encased within said rack and disposed at the front thereof adjacent said barrier on a plane below the merchandise-supporting means so that an article of merchandise being inspected and incapable of being withdrawn through said opening can be deposited on said conveyor, said conveyor adapted for continuous operation during the normal use of said display rack to deliver merchandise deposited thereon to a point of deposit exteriorally of said rack, and means cooperating with said point of deposit to limit access thereto to preselected persons exclusive of those depositing merchandise on said conveyor.