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 Calculating machines and pocket-size data recording, reproducing and displaying machi Commodity Code Description 84 70 10 Electronic calculators capable of operation without an external source of electric po 84 70 21 Incorporating a printing device 84 70 29 Other 84 70 30 Other calculating machines 84 70 40 Accounting machines 84 70 50 Cash registers 84 70 90 Postage-franking machines, ticket-issuing machines, etc