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A reversible head for the automatic curve following device

Published online by Cambridge University Press:  24 October 2008

F. C. Williams
F. C. Williams
Affiliation:
The Electro-Technics DepartmentThe UniversityManchester
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Extract

In the preceding paper, Blackett and Williams described an automatic curve follower for use with the differential analyser. The device would only operate if the x-coordinate was either continuously increasing or continuously decreasing; it could not handle input functions where the x value pulsated, as may often happen when the x-coordinate is not the independent variable.

Type
Research Article
Information
Mathematical Proceedings of the Cambridge Philosophical Society , Volume 35 , Issue 3 , July 1939 , pp. 506 - 511
Copyright
Copyright © Cambridge Philosophical Society 1939

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References

* The amplifier used is tuned to 50 c./sec.; since the 100 c./sec. components are highly attenuated their presence can be ignored.