Section 16 MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THEREOF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORDERS AND REPRODUCERS AND PARTS AND ACCESSORIES OF SUCH ARTICLES 84 NUCLEAR REACTORS, BOILERS, MACHINERY AND MECHANICAL APPLIANCES; PARTS THEREOF 84 70 MACHINES, POSTAGE-FRANKING MACHINES, TICKET-ISSUING MACHINES AND 84 70 10 ELECTRONIC CALCULATORS, CAPABLE OF OPERATING WITHOUT AN EXTERNAL SOURCE Commodity Code Description 84 70 10 00 ELECTRONIC CALCULATORS, CAPABLE OF OPERATING WITHOUT AN EXTERNAL SOURCE