| National Gas Bag | ||
| Object ID | 746 |  |
| Date | 0000-00-00 | |
| Works No | ||
| Accession No | IF:LN:2003:039 | |
| Status | On Display | |
| Category | Machinery | |
| Collection ID | Castell Pridd Engines | |
| Made By | National Gas & Oil Engine Co. Ltd. | |
| Made In | Ashton-under-Lyne, Manchester | |
| Description | National gas bag for use with the P type National gas engine | |
| Location | Power Hall 1, Country House Display | |
| Condition | Working | |
| Images | 
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| Conservation/ Maintenance History | Installation 2003-04-10 New membrane manufactured from leatherette. Old membrane perished beyond repair | |