EDISON PIONEERS Secretary’s Office 40 West 40th Street New York City To the Edison Pioneers: The Golden Anniversary of Thomas Alva Edison’s discovery of a practical incandescent electric lamp will be fittingly celebrated the evening of October 21st, 1929, at Menlo Park, N. J. It is hoped that every Edison Pioneer who can possibly do so will be present at Menlo Park on this historic occasion to honor Mr. Edison on the very site where fifty years ago he produced the nucleus of what subsequently became one of the world’s most important industries. A huge incandescent lamp on a suitable temporary tower will be lighted by Mr. Edison from Dearborn, Michigan, where a similar celebration will be held, and which will be broadcasted to Menlo Park. In addition to this broadcasting, music and speakers will be provided at Menlo Park, and accommodations reserved for the Edison Pioneers and their guests. The celebration will commence at 7 P.M., the enclosed card serving as a means of identification of the Edison Pioneers, as well as a means of directing them to the scene of the festivities.