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A supplementary note on the mould board described in a letter to Sir J...
Imprint 2.; Evans 33934. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 149, Folder 13a.
A supplementary note on the mould board described in a letter to Sir J...
Imprint 2.; Evans 33934. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 149, Folder 13a.