Representative from Pennsylvania (1792–1868) who opposed fugitive slave laws and urged emancipation. ALS, one page, 7.75 x 10, April 16, 1849. Handwritten letter to an associate in Philadelphia. In part: "Mr. Franklin says he will be ready to argue…on Thursday morning. We have only proved the quantity of ore taken since 1845 ranging from 3100 to 4300 tons; we could not prove the quantity…before the change in the blast…the miner stating in the range from 1500 to 5000 tons-We proved however that the hot blast consumed one half more ore than the cold blast." In fine condition, with a slight ink brush, and multiple intersecting folds.
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