Artifact Details Title 704 reference card Catalog Number 102730348 Type Physical object Description Object is a reference card laminated in plastic. It is headed "704 INSTRUCTION TYPES"and codes for various types of instructions. On the reverse is a two-column table of all instructions with mnemonics and octal values. Dimensions overall: 1/8 in x 2 1/2 in x 3 3/4 in Category Ephemera/other