Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,706 pages of information and 232,164 images on early companies, their products and the people who designed and built them.
of 233 Bristol Street, Birmingham
See Gilbert James Allday and S. Darby
1912-13 P. D. A. (PDA) was an early British make of cyclecar fitted with V-engines from Blumfield, JAP or Precision. Only 12-15 made.
1913-1917 For a list of the models and prices see the 1917 Red Book
1913 Resolution to close the company. S. Darby Secretary.[1]
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