A 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 be located near a monitor so that persons may walk in front of the camera and see themselves simultaneouslyAs the tour enters the Manufacturing Assembly area, many components of the Polaris submarine intercommunications system 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 4 product'- and which are expect » ed to go into production at the Cambridge plant in the years to come. One display will show ( what the human voice looks like cIon an oscilloscope on which it v is converted from sound into c visible wave lengths. cThe tour will then continue through the Manufacturing As-.t sembly area where the portable 1 combat radio (AN-PRC-25) is j manufactured for the Signal 1 Corps. Two of these radios will ii he used to carry on a conver- p sation between employes in two c separate points in the display ( area in order to demonstratetheir use. 1 cA 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- t sembly of the components used e for the sensitive command net- v