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Copyright
Copyright © 2019 Delta-T Devices Ltd
User Manual version 4
First published: 1991
AP4 Design team :
Chris Nicholl :
Tom Bragg :
John Wood :
Edmund Potter :
Richard Spencer :
Nick Webb :
Kaz Burek :
Alasdair Phillips :
Andrew Dutton:
Acknowledgements
We thank John Harris for helping with the design of the software menu, and the Department of Trade
and Industry for a grant towards the design
Ian Woodward and Colin Black are thanked for testing early prototypes.
John Monteith and Gaylon Campbell are thanked for their work on the theory.
John Monteith and Edward Arnold Publishers are thanked for permission to reprint an extract
from Principles of Environmental Physics. Jonathan Price is thanked for his advice in How to
write a computer manual, published by Benjamin/Cummings. The Director of ICRISAT, India, is
thanked for permission to reproduce an independent test report.
AP4 User Manual team
Editor:
Nick Webb
Authors:
Page 2
Project leader and software
Electronic hardware
Theory, head design & testing
Testing & quality assurance
Mechanical design
User manual, project scheduling.
Data retrieval software & software quality assurance.
Head PCB layout.
Main PCB redesign
Tom Bragg
Nick Webb
Richard Spencer
John Wood
Chris Nicholl
Ed Potter
Artwork: Nick Webb
Annie Simpson
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