Edward N. Kent of the United States Assay Office at New York informs James Curtis Booth (1810-1888) that no vacancies currently exist in the New York office.

Edward N. Kent of the United States Assay Office at New York informs James Curtis Booth (1810-1888) of the start-up of the New York assay operations.

Edward N. Kent of the United States Assay Office at New York requests buckskin gloves and other supplies from James Curtis Booth (1810-1888).

Edward N. Kent of the United States Assay Office at New York writes to thank James Curtis Booth (1810-1888) for his kind words regarding Kent's sweeps washing apparatus.

Edward N. Kent of the United States Assay Office at New York writes concerning a controversy regarding Kent's use of James Curtis Booth's (1810-1888) correspondence.

Edward N. Kent of the United States Assay Office at New York outlines an improved plan for working the sweeps.

Edward N. Kent of the United States Assay Office at New York discusses monetary values of gold and silver ores retrieved via his newly invented sifting machinery.

Campbell Morfit (1820-1897), a distinguished chemist from the United States, co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), sends a copy of his publication, Applied Chemistry in…

Campbell Morfit (1820-1897), a distinguished chemist from the United States, co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), writes to express a misgiving as to how the new post of…

Campbell Morfit (1820-1897), a distinguished chemist and co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), writes to complain to Booth about the tedious nature of the work in his lab.

Campbell Morfit (1820-1897), a distinguished chemist and co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), writes to Booth with a discussion of financial matters.

Campbell Morfit (1820-1897), a distinguished chemist from the United States and co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry, writes to Booth of routine matters.

Campbell Morfit (1820-1897), a distinguished chemist and co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), writes a letter introducing Dr. Marshall Hall (1790-1857) of London,…

Campbell Morfit (1820-1897), a distinguished chemist from the United States, co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), writes with repayment of a $10 loan.

Campbell Morfit (1820-1897), a distinguished chemist and co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), writes to Booth to plan a 3-day visit to Philadelphia to consult with Booth…

Campbell Morfit (1820-1897), a distinguished chemist from the United States, co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), writes to thank Booth for the gift of a sample of a new…

Campbell Morfit (1820-1897), a distinguished chemist and co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), writes to Booth concerning his upcoming wedding.

Campbell Morfit (1820-1897), a distinguished chemist and co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), writes to Booth mentioning a change in leadership at work.

Campbell Morfit (1820-1897), a distinguished chemist from the United States, co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), writes of routine matters.

Campbell Morfit (1820-1897), a distinguished chemist and co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), writes to Booth commenting on a controversy with Richard Sears McCulloh…

Campbell Morfit (1820-1897), a distinguished chemist from the United States, co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), thanks Booth for his carte de visite and reminisces. He…

Campbell Morfit (1820-1897), a distinguished chemist from the United States, co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), encloses a carte de visite photograph and writes to…

Campbell Morfit (1820-1897), a distinguished chemist and co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), writes to Booth about Richard Sears McCulloh (1818-1894) and his balking…

Campbell Morfit (1820-1897), a distinguished chemist and co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), requests that Booth send glass rods.

Campbell Morfit (1820-1897), a distinguished chemist and co-editor with James Curtis Booth (1810-1888) of the Encyclopedia of Chemistry (1850), requests that Booth send combustion tubes.