SPECIAL
COUPLINGS (MACHINERY )--CATALOGS. COLLECTIONS Clemens, Melville, firm, Boston.
SCbH Clemens' universal shaft coupling ... .F869  CBoston, 1869] 25 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.
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