What is "davrian"

Davrian cars were built by Davrian Developments at 65 North Street, Clapham in London, England, from 1965 to 1976, in Tregaron, Dyfed, Wales from 1976 to 1980 and Lampeter, Dyfed, from 1980 to 1983.

Adrian Evans (d. 1992), a structural engineer and the car's designer, built a series of cars called Davrian from 1965, Co-designed by ex- Ferrari engineer and Formula One driver Mike Parkes, the Davrian used a aluminium alloy Hillman Imp engine based on the Coventry Climax.