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| Title | For an improvement in locomotive steam engines |
|---|---|
| Creator | Unknown |
| Date of Creation | Aug 1846 |
| Description | Patent granted to Stephenson and William Howe. Sheet 2: fig 3 transverse verticle section; fig 4 horizontal section and plan; fig 5 main axis. Signed by Stephenson centre left. Scale 2 inches to 1 foot. |
| Archive Reference | STE/1/1/8/1 |
| Media | Ink and watercolour on board |
| Dimensions | 595x720 mm |