1st Trench Mortar Battery, Coast Artillery Corps, 1917-1919
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75%
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Brightness:
-100
-90
-80
-70
-60
-50
-40
-30
-25
-20
-15
-10
-5
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Contrast:
-100
-90
-80
-70
-60
-50
-40
-30
-25
-20
-15
-10
-5
0
5
10
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Grayscale