nir meir .services eacn wees.Plant visitors will then view the sequence assembly for *he micro wave ground radio communications (AN-GRC- jO). They will next pass through the Part* Fabrication area where lacks and drawers that house the printed circuit boards ior the communications equipment are assembled. While in this section of the plant, the group will view a display of items produced at other defense electronics products locationsA special treat for the visitors will be an opportunity to view themselves on television by means of a closed circuit arrangement A TV camera will lie located near a monitor so that persons may walk in front of the camera and see themselves simultaneously.As the tour enters the Manufacturing Assembly area, many components of the Polaris submarine intercommunications systen will be demonstrated.Next on the agenda will be the Product Kngineering activity where exhibits will feature the latest techniques that have J been developd for application to th« new communications ^ product'- and which are expect- * ed to go into production at the Cambridge plant in the years to come. One display will show f what the human voice looks like c on an oscilloscojH* on which it v is converted from sound into c visible wave lengths. eThe tour will then continue through the Manufacturing As- t sembly area where the portable h combat radio (AN-PRC-25) is j manufactured for the Signal 1 Corps. Two of these radios will ii be used to carry on a conver- p sation between employes in two .o separate points in the display C area in order to demonstrate their use oA trip through the white room S locker area will then give the s visitors an opportunity to see a the various sequences of the as- tl sembly of the components used e for the sensitive command net- v