H. Barker

The testing and specification of bushings in relation to service conditions

H. Barker, H. Davies, H. Barker, 1953 .

The authors' reply to the discussion on 'The testing and specification of bushings in relation to service conditions'

H. Barker, H. Davies, 1953 .

A Report Upon Analytical Methods, Presented by the Ancient Mining and Metallurgy Committee of the Royal Anthropological Institute

H. Barker, W. T. Elwell, L. Biek, 1962 .

A FEATURE CARD INFORMATION-RETRIEVAL SYSTEM FOR THE GENERAL MUSEUM LABORATORY

H. Barker, W. A. Oddy, 1971 .