SPECIAL
BROADSIDES--U.S.
COLLECTIONS Wi swall, H. M., firm, Boston.
SCbH F869 Py)
Aerifying chain of cups. Wonderful and highly important results are produced by this new and ingenious arrangement, devised and patented by A. H. Knapp ... Boston, Wright & Potter [1869].
broadside. 24.5x20cm.
From a collection of fliers distributed at the Massachusetts Charitable Mechanic Association's Eleventh Exhibition, 1869.
1. Pumping machinery--Catalogs. 2. Advertising
fliers--Massachu setts--Boston. 3. Broad- sides--U.S. Q 4. Water--Aeration. I. Knapp, A H MB
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