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Original file (SVG file, nominally 512 × 768 pixels, file size: 18 KB)
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Summary
| Description | Sam Loyd's solution to his Primitive Railroading train-shunting puzzle to let two trains pass each other using a refuge siding large enough for only one car or locomotive, illustrated by CMG Lee. |
| Source | Own work |
| Author | Cmglee |
Licensing
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:15, 11 August 2024 | | 512 × 768 (18 KB) | Cmglee | Swap colours and make railroad more visible // Editing SVG source code using c:User:Rillke/SVGedit.js |
| 14:50, 9 August 2024 |  | 512 × 768 (18 KB) | Cmglee | Make background white | |
| 14:47, 9 August 2024 |  | 512 × 768 (18 KB) | Cmglee | {{Information |Description=Sam Loyd's solution to his Primitive Railroading train-shunting puzzle to let two trains pass each other with a siding fitting only one car or locomotive, illustrated by CMG Lee. |Source={{own}} |Date= |Author= Cmglee |Permission= |other_versions= }} Category:Sam Loyd's Cyclopedia of Puzzles Category:Recreational mathematics |
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