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Front
Back | | Title:
Steamboat Washingt - 1816
Continental Chrome PM 1989 Mar-3
Description:
First day of issue: March 3, 1989 First issue location: New Orleans, Louisiana When steamboats arrived on the Mississippi River, it soon became evident that the boats would have to evolve to meet the requirements of the river. A steamboat was needed that would draw less water; it had to move on the water instead of through it. The craft would need a wide, shallow hull, with heavy boilers and machinery on top of the hull rather than inside it. Captain Henry Shreve took an important step toward building such a steamboat in 1816 with the Washington. Shreve incorporated two changes. He built a deck over the hull and placed the heavy boilers on this deck, and he replaced the bulky low-pressure engine used on older steamboats with a new, high-pressure engine. Not only did the new engine produce enough power for the strong currents of the river, it also made the boat much lighter. The Washington could make the trip from New Orleans to Louisville in twenty-five days, an amazing feat in her time. The success of the Washington spurred design development, and soon other steamboats were being built like her
| Details |  | | Publisher: | Unicover Corporation | | Type: | Continental Chrome | | Stamp: | 25c3 | | Postmark/Cancel: | 1989 Mar-3
New Orleans, LA | | Size: | 4" x 5.75" (10.25 x 15 cm) | | Other Categories: |
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