Artifact Details Title Ink cartridges, caps and storage tubes Catalog Number 102786952 Type Physical Object Description These are 18 plastic tubes that originally held ink cartridges. Some of the tubes have ink cartridges, some have just cartridge caps, and some are empty Manufacturer Radio Shack Dimensions overall: 4 1/2 in x 3/8 in x 3/8 in Category Miscellaneous/typewriters & printer parts