A TREATISE ON GEAR WHEELS.
Lexington, Ma: George B. Grant, 1893. Sixth edition, the earliest one recorded. Plates "1" and "8," presumably from an earlier edition, tipped to front free endpaper using small, period-advertising labels measuring approximately 1 1/2 x 1/2". The labels each feature a hand saw emblazoned with "Your Adv in the ERA,"..... Item #56021 More