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23 
typical wide angle lens by a number of European laboratories), the relationship 
between OTF measurements and picture quality and the application of OTF 
methods in the production of air cameras. The RAE has also sponsored work at 
the University of Reading on the calculation of polychromatic OTF from lens 
design data, and the computer programs which have been developed are now in 
use at RAE for predicting the performance of new designs. 
UNIVERSITY COLLEGE OF SWANSEA, Department of Geography 
An investigation of the application of photogrammetric methods to the evaluation 
of forest productivity using large scale aerial photography is still in progress. 
WAINCO PHOTO-PROCESSORS 
Wainco are currently manufacturing the CF10 Aerial Film Processor which has 
been supplied for photo reconnaissance and survey work both in the UK and 
overseas. 
WELSH NATIONAL SCHOOL OF MEDICINE, Department of Orthodontics, 
Dental School 
A method of producing 3 dimensional photographic records of the human face is 
being developed. The equipment uses components which can be readily obtained 
and is based on telecentric photography in which projected grid lines are made 
parallel and divergence errors are eliminated from the recording camera. Such 
records may be of value both in orthodontics and in plastic surgery. 
WILLIAMSON MANUFACTURING COMPANY LIMITED 
The company have produced a prototype high speed panoramic aerial camera 
system for use with 70 mm film.