- ReferenceAQ6/2A/2
- TitleBrief Description and photographs of Gas Exhausting machinery, improved Beale’s patent – Allen’s Combined System. Designed and Manufactured by W H Allen & Co, Engineers, York Street Works, Lambeth, London S.E. Small hardback guard book printed in gold with albumen prints
- Date free textNo date. 1880-1890
- Production dateFrom: 1880 To: 1890
- Level of descriptionitem
- Persons/institution keyword
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