This section is from the book "The Tinman's Manual And Builder's And Mechanic's Handbook", by Isaac Ridler Butt. Also available from Amazon: The Tinman's Manual And Builder's And Mechanic's Handbook.
Width of top table a. | Total depth B. | Uniform thickness top table c | Uniform thickness of rib D. | Weight of one lineal foot. |
in. | in. | in. | in. | |
5 | 6 | ½ | ½ | 15.75 |
4½ | 3¼ | ½ | 9-16ths | 13.25 |
4 | 3 | 3/8 | 3/8 | 8.875 |
3½ | 3 | 3/8 | 3/8 | 8.25 |
3½ | 4 | ½ | ½ | 12.5 |
2½ | 3 | 3/8 | 3/8 | 7.0 |
2¼ | 2 | 5-16ths | 3/8 full | 4.5 |
2 | 1½ | 5-16ths | 5-16ths | 4.0 |
1¾ | 2 | ¼ | ¼ | 3.125 |
1½ | 2 | ¼ | ¼ | 2.875 |
1¼ | 1½ | ¼ | ¼ | 2.375 |
1 | 1¼ | 3-16ths | 3-16ths | 1.5 |
¾ | 1 | 3-16ths | 3-16ths | 1.125 |
Table V.- Parallel T Iron, of Equal Depth and Width.
Width of top table, and total depth a, a. | Uniform thickness throughout | Weight of one lineal foot. |
in. | in. | |
6 | ½ | |
5 | 7-16ths | 13.75 |
4 | 3/8 | 9.75 |
3½ | 3/8 | 8.5 |
3 | 3/8 | 7.5 |
2½ | 5-l6ths | 4.625 |
2¼ | 5-16ths | 4.5 |
2 | 5-16ths | 3.75 |
1¾ | ¼ | 3.0 |
1½ | ¼ | 2.25 |
1¼ | ¼ | 1.75 |
1 | 3-16ths | 1.0 |
7/8 | 1/8 | .725 |
¾ | 1/8 | .625 |
Table VI.- Taper T Iron
Width of top table a | Total depth B. | Thickness of top table at root c. | Thickness of top table at edges d. | Uniform | thicknesof, rib e. | Weight of one lin.foot. |
in. | in. | in. | in. | in. | |
3 | 3¼ | ½ | 3/8 | 7-16ths | 80 |
3 | 2 5/8 | 7-16ths | 3/8 | ½ | 8.0 |
2 | 3 | 7-16ths | 5-16ths | 5-16ths | 5.25 |
2½ | 2½ | 5/8 | ½ | ½ full | 6.5 |
2 | 1½ | 3/8 full | 5-16ths | 3/8 | 3.5 |
2 | 1½ | 5-16ths | ¼ | ¼ | 2.875 |
 
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