Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,345 pages of information and 230,027 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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