Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 174,404 pages of information and 250,321 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
Margaret Clare Challen (1904-2011)
Born at Birmingham the daughter of Walter Bernard Challoner (1866-1958), Mechanical Engineer, and his wife Clare Keeling
1934 Royal Aero Club Certificates No. 11670: DH.60 – Midland Aero Club
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