Pennsylvania Hall, "one of the most commodious and splendid buildings in the city," was an abolitionist venue in Philadelphia, built in 1837–38. It was a "Temple of Free Discussion", where antislavery, women's rights, and other reform lecturers could be heard. Four days after it opened it was destroyed by arson, the work of an anti-abolitionist mob.
An illustration of Pennsylvania Hall at its opening in 1838
An engraving by John Sartain, an eyewitness. Note water directed toward adjacent building.
Pennsylvania Hall post-burning. Engraved by Reuben S. Gilbert after work by John Archibald Woodside, Jr.
Free-produce movement
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The free-produce movement was an international boycott of goods produced by slave labor. It was used by the abolitionist movement as a non-violent way for individuals, including the disenfranchised, to fight slavery.
Frances Ellen Watkins Harper supported the free-produce movement, regularly saying she would pay more for a "Free Labor" dress
In 1850, Henry Highland Garnet toured Great Britain to urge Britons to support free produce.