The 4014 19" direct view storage tube (DVST) graphic terminal was introduced in 1974. This photo is of a Tektronix 618, a 19" display designed to fit into an IBM office environment.
The 618 was described in the Tekscope Volume 11 Number 1 1979 issue.
The 619 was also an OEM 19" DVST display and was used as the display on the 4081 Interactive Graphics Display System. Click on the image to view the PDF.