- ReferenceBG14/8/3/1
- TitleCorrespondence, drawings, etc. re Fisher & Ludlow patent. Patent nos 819343, Kings Provisional 21472/51 & 21472/61
- Date free text1961 - 63
- Production dateFrom: 1961 To: 1963
- Level of descriptionfile
- Persons/institution keyword
- Keywords
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