Jacob Bromwell's patent self feeding wheat fan
Contributors: Bromwell, Jacob.
Series: Early American imprints -- no. 47434.
Publisher: s.n.
Published: 1819
Place of publication: [Baltimore, Md
Language: eng
Format: Microform
Subjects: Wheat -- Machinery.
Notes: Certificate granting license to the bearer to use one of Bromwell's patented wheat fans for the period 1818-1832, and including diagrams.

Caption title.

Shaw & Shoemaker, 47434.

Microfiche. [New Canaan, CT: Readex Microprint, 1987-1992] 11 x 15 cm. (Early American imprints.  Second series ; no. 47434).  Photographed from a copy addressed to Thomas Jefferson.