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243_MasterPieces_04a.qxd  4/18/03  7:05 PM  Page 167





                                                                               PneumADDic II • Masterpiece 4   167

                    AND Handle Step 3                              AND Handle Step 4





















                    The AND Gates




























                    Now we have what we need to create the final AND Gate sub-assembly. When you
                    finish the following series of building instructions, you should be able to manually expand
                    and contract the pistons to see how they affect the position of the pneumatic switch.You
                    will need to build four AND Gate sub-assemblies.




                                          AND Gate Step 0
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