Potter Stewart

“ Certainly the Board may use alternate devices for divining the desires of the employees. But each device must be tested within its own framework. Where the Board purports to gain its information through the traditional system of balloting the employees, all parties rely on that election to yield a meaningful result. Here the Board decided to employ the secret ballot and rely on its results exclusively. At the least then, the ballot must unambiguously convey to each employee the choices available to him under the law. ”

“ The majority of any craft or class of employees shall have the right to determine who shall be the representative of the craft or class * * *.' The Act performs the function, familiar to the rest of our labor legislation, of furnishing the opportunity for majority determination within each employee group of what the nature of bargaining shall be. ”

“ Employees are not required to organize, nor are they required to select labor unions or anyone else as their representatives. It has always been recognized that under the law the employees have the option of rejecting collective representation. ”