James B. Guthrie (1792 - 1869), United States Secretary of the Treasury from 1853-1857, writes to James Curtis Booth (1810-1888) concerning Booth's authorization to proceed with fusible alloy work.
Clarence Morfit, Assistant Melter and Refiner at the New York Assay Office, asks James Curtis Booth (1810-1888) questions about refining and includes some rough calculations on the verso.
James Curtis Booth (1810-1888), Melter and Refiner of the United States Mint, writes to James Guthrie (1794-1869), Secretary of the Treasury, to discuss the building of an experimental boiler.
Edward N. Kent of the United States Assay Office at New York writes to James Curtis Booth (1810-1888) with a need for two additional furnaces and discusses alterations made to the office.
James B. Guthrie (1792 - 1869), United States Secretary of the Treasury from 1853-1857, responds to James Curtis Booth (1810-1888) informing him that Booth's request for "a table of correspondences between pressure and temperature, determined by the Board [of Supervisors]" can not be fulfilled, as none exists.
James B. Guthrie (1792 - 1869), United States Secretary of the Treasury from 1853-1857, writes to James Curtis Booth (1810-1888) outlining what the Treasury expects of Booth in the matter of fusible alloys.
J. G. Washington, of the United States Treasury Department, writes to inform James Curtis Booth (1810-1888) that a proof copy of Booth's report has been sent.
James B. Guthrie (1792 - 1869), United States Secretary of the Treasury from 1853-1857, writes to James Curtis Booth (1810-1888) concerning Booth's authorization to construct a steam boiler.