Black Bear Construction Co., Inc.
Trestle and Bridge Building Supplies for the Model Railroader
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Wood Sizes to Use
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Bridge Series
Double Bridge
Curved Bridges
The Track Approach
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Wood Sizes to Use
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HO Scale Conversion Table
HO Scale Conversion Table
Click on the link to see your choices.
Full Size
Inches
HO Scale
Inches
Full Size
Inches
HO Scale
Inches
Full Size
Inches
HO Scale
Inches
1
0.0115
10
0.1149
19
0.2184
2
0.0230
11
0.1264
20
0.2299
3
0.0345
12
0.1379
21
0.2414
4
0.0460
13
0.1494
22
0.2529
5
0.0575
14
0.1609
23
0.2644
6
0.0690
15
0.1724
24
0.2759
7
0.0805
16
0.1839
25
0.2874
8
0.0920
17
0.1954
26
0.2989
9
0.1034
18
0.2069
27
0.3103
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PO Box 26911
Austin, TX 78755-0911
(512) 467-8400 FAX:(512) 458-8765