Grace's Guide To British Industrial History

Registered UK Charity (No. 1154342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,694 pages of information and 247,076 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.

Frederick Creedy

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Frederick Creedy, Professor at Lehigh University, Bethlehem, USA

1913 Wrote 'Single-phase Commutator Motors'

1915 Living in Ealing

1921 Living in Ilkley

1922 US Patent for Dynamo-electric machinery

1926 Address at Packard Laboratories, Lehigh University, Bethlehem, Pa, USA

1931 Wrote 'Logic as the cross-classification and selection of arbitrary elements' by F. Creedy (Lehigh University)


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