Rare Books

Pettibone's economy of fuel, or, Description of his improvements of the rarefying air-stoves, grates, tubes, pipes, cylinders, or open stoves, or common fire places, made of iron, stone, brick, potter's clay, &c. &c. for warming and ventilating hospitals, churches, colleges, courts of justice, dwelling houses, hot or green houses, ovens, drying rooms, gun-powder, or other manufactories, banking-houses, barracks, ships, malt kilns, &c. &c., with or without the application of steam. For which letters patent have been obtained from the government of the United States of America