THE PROMOTION OF THRIFT AMONG ITS MEMBERS BY THE ACCUMULATION OF THEIR SAVINGS AND THE LOANING OF SUCH SAVINGS BACK TO ITS MEMBERS AT A MODERATE RATE OF INTEREST. PARTICIPATION IN THE CREDIT UNION IS LIMITED TO THOSE INDIVIDUALS WHO QUALIFY FOR MEMBERSHIP. THE FIELD OF MEMBERSHIP IS DEFINED IN THE CREDIT UNION'S BYLAWS WITH A SIGNIFICANT CONCENTRATION OF MEMBERS RESIDING IN SOMERVILLE AND CAMBRIDG…