formula scales for weighing quantities of ink; spectrophotometer; acoustic coupler, teleprinter; balance scale; dryer used in graphic arts processing; densitometer; light booth for graphic arts processing; computer hardware for use in the field of computer graphic design; computer monitors; computer printers; computer peripherals for use in the field of computer graphic design; broadcast color matching systems for the video and television media comprised of computer software and digital computer equipment comprised of a central processing unit (CPU), hard disk drive, broadcast quality color monitor and video frame buffer, all used for the purpose of color matching and video production and broadcasting; computer matching systems for slide graphics comprised of computer software and publications of colors on color positive film sold as a unit, used for digital and analog color generation and duplication of colors on color positive film