Image Item No. Description  170311  Dacta Sorting Tray - 64 Compartment for Dacta Small Bin Catalog: Gear: Storage, Sorting Tray: Educational & Dacta  4102514b  Education Control Lab Software for IBM PC & Compatibles (MS-DOS), Version 1.2 (3.5 inch) Catalog: Gear: Software: Educational & Dacta: Technic: Control Lab  4102514a  Education Control Lab Software for IBM PC & Compatibles (MS-DOS), Version 1.2 (5.25 inch) Catalog: Gear: Software: Educational & Dacta: Technic: Control Lab