Gearing.
Airy, Sir George Biddell. No. 2 in **E,182.12
On the forms of the teeth of wheels. From the Transactions of the Cambridge Philosophical Society.
Cambridge [Eng.]. Printed by J. Smith. 1825. 10 pp. Plate,
°
4°.
This card was printed at the Boston Public Library, March 30, 1926. M382 — Gearing.