SPECIAL COLLECTIONS
SCbH . F869 625
Clemens, Melville, firm, Boston.
Clemens' universal shaft coupling ... CBoston, 1869]
broadside. 28x21.5cm.
From a collection of fliers distributed at the Massachusetts Charitable Mechanic Association's Eleventh Triennial Exhibition, 1869.
1. Couplings (Machinery )--Catalogs. 2. Advertising fliers--Massachusetts--Boston. 3. Broadsides--U.S.