Antietam, Maryland 2006  |  Image: 17 of 21 Previous Image Next

Source Maker:
Canon

Source Model:
Canon PowerShot S500

EXIF Version:
2.2

Capture Date:
9/4/06 12:08:6

Aperture:
f4.5

Shutter Speed:
1/318 sec

Exposure Bias:
+0.0

Exposure Program:
Auto

Focal Length:
18.3 mm

Sensing:
One-chip color area sensor

Light Source:
Auto

Flash:
OFF - Auto mode

Metering:
Pattern

ISO Speed:
Auto

Lens:
7-22 mm


antietam1020.jpg
These cannon are called "Napoleons" because the French dictator popularized the use of highly mobile cannon in modern warfare. Prior to Napoleon's time, cannon were painfully dragged around on heavy sleds, and were "mobile" only in a general sense. Napoleon put smaller cannon on carriages and developed tactics allowing them to be quickly massed and deployed for attacks. Photo © 2006 Lawrence I. Charters
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