AN EXPOSITION OF SOME OF THE NATURAL MECHANICAL ACTIONS, CONNECTED WITH THE RUNNING GEARS OF RAIL ROAD CARRIAGES: THEIR LIABILITIES, AS NOW USED, AND THE BENEFITS TO BE DERIVED FROM THE USE OF "THE JOINTED AXLE," INVENTED BY JAMES STIMPSON
Baltimore, MD: Samuel Sands, printed by, 1838. First edition. Paper covers. Sixteen pages with text of letter to James Prentiss, Esq. with Stimpson's highly detailed explanation of his improvements in wheel-axle technology. Includes an engraved diagram of the running gear with explanation. Two signatures and covers stitched with twine. Plain..... More