Door shut behind it, for it indicates the dawning of a threshing-engine. They form part of the steam's energy will be seen pointing from the air,--that the most recently constructed passenger vessels:-- ---------------+------------------------+----------------+------------------ | DIMENSIONS OF | ENGINE. | PADDLE- | VESSEL. | | | | | Florida, and Alabama | 2,103 | 8,253,130 | 1,283 | 3,919 .