Collection
Serial/Series Title
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Map of the James River from Chaffin's Bluff to City Point
Map illustrating the Union and Confederate army lines west of the James River in Virginia. Rivers, swamps, cities, forts, and railroads are shown.
Date:
1900
Creator:
United States. War Department.
Object Type:
Map
System:
The Portal to Texas History
Rotary Reciprocating Engine.
Patent for a rotary reciprocating engine that is smaller, has more horse-power, and has less friction than previous models.
Date:
May 8, 1900
Creator:
Williams, Win D.
Object Type:
Patent
System:
The Portal to Texas History