LETTER

Advance engine
John J. Holp, R.D. 1, Box 79, Lewisburg, Ohio, and his 5 year old son, John, operating the Advance engine at Montpelier Show in 1960. A board was so-placed that John Jr. would be the proper height to operate the levers. (There was no faking he actually ha
Mrs. L. W. Blaker