RADIATION PYROMETER

A pyrometer for viewing the blades of an engine has a forward lens which produces a first image of the blades in an image plane P1. Rearwardly of the image plane P1 is an assymetric faceted lens assembly having a central region with a long focal length, and an outer annular region of shorter focal l...

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Bibliographische Detailangaben
1. Verfasser: JOHN POINTER
Format: Patent
Sprache:eng
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