Old IBM mainframe crt/monitors

hi guys I was just remembering back about 20-25 years ago when i was in my 10-15 years old going to work with my step dad who worked at a mining co that had a bid datacenter and was awed at the computer monitors that were hooked up to the mainframe the bulk of the monitors were these great big ones that sat on the desk they were probably 2'wide X 1 1/2'-2'high and about 3' deep the base cume up about 6" then curved out so you could see the main screen like so forgive the drawing ----------------- ! ! ! ! !__ ! ! ! ! ! ! ! ------------- CROSS SECTION I would like to know what motel that was all i remember it was stamped IBM and if there are any pic's arround then a couple years leter i remember we got these lcd plasma type displays about 1985 or 86 about 2.5 feet tall 2.5 feet wide but only bout 1 foot thick and they were neat because they could be 4 small monitors or 2 or 1 big monitor but they only had one color flouresent orange im trying to figure out what these are to tx 4 your time Chris