Bridges and tunnels
Relates the principles of bridge building, particularily the suspension and cantilever methods, and describes the equipment used in drilling tunnels.
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| Format: | Book |
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New York
Golden Press
[c1968
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| Series: | Finding out about science
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| Subjects: | |
| Online Access: | Click Here to View Status and Holdings. |
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Add Tag | Summary: | Relates the principles of bridge building, particularily the suspension and cantilever methods, and describes the equipment used in drilling tunnels. |
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| Physical Description: | 48 p. illus. (part col. 22 cm |
| ISBN: | 0298174804 |
Bridges pioneer projects