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SERIES C |
SERIES D |
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Width of Stroke |
Width of Stroke |
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Letter Height |
Stroke Width (in Inches) |
Letter Height |
Stroke Width (in Inches) |
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4 inches |
0.56 |
4 inches |
0.62 |
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5 inches |
0.70 |
5 inches |
0.78 |
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6 inches |
0.84 |
6 inches |
0.94 |
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8 inches |
1.12 |
8 inches |
1.25 |
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10 inches |
1.41 |
10 inches |
1.56 |
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12 inches |
1.69 |
12 inches |
1.88 |
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18 inches |
2.53 |
18 inches |
2.81 |
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SERIES E |
SERIES E(M) |
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Width of Stroke |
Width of Stroke |
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Letter Height |
Stroke Width (in Inches) |
Letter or Numeral Height |
Stroke Width (in Inches) |
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4 inches |
0.69 |
8 |
1.60 |
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5 inches |
0.86 |
10.67 |
2.13 |
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6 inches |
1.03 |
13.33 |
2.67 |
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8 inches |
1.38 |
16 |
3.20 |
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10 inches |
1.72 |
20 |
4.00 |
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12 inches |
2.06 |
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18 inches |
3.09 |
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NOTE: Series F width of stroke is unavailable. Exit signs at ramp gore are the only application of Series F lettering in Iowa. |
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