- ReferenceAQ6/2C/3
- TitlePublication binder owned by Mr Donald Welbourn during his time with the company (see Z1183)
- Date free text1946 - 1952
- Production dateFrom: 1946 To: 1952
- Scope and Content- AP8000A Epicyclic Gears - AP1001-6 -AP2000-2006, AP2020 - AP2023 -AP3000-3004 -AP4000, 4002-4007, 4009, 4013-14 - AP5000-5001 -AP401, 402, 6001, 6022, 6026-8 -AP7000, 7020-7023, 7050-1, 7054, 7100 -AP8001 - Allen Engineering Review February 1949, January 1950, May 1950, October 1950, January 1952
- Level of descriptionitem
- Persons/institution keyword
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