McLanahan & Stone Machine Co. PA The F.M. Welch Engineering OH 1930 Ad SAG3-10

DOUBLE SIDED - Measures approx 5x7. If you need an exact measurement please ask prior to ordering. Original piece taken from a 1930 Rock Products, Cement & Engineering News Magazine Chicago. May have tears, blemishes, brittleness and other issues due to age. See pics for condition. McLanahan & Stone Machine Co. PA The F.M. Welch Engineering Service OH 1930 Ad SAG3-10