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Plans for a Testing Rig for Telescope Mirrors. As a mirror is being parabolized or figured, it is necessary to check its progress at regular intervals. This check is made by means of the Foucault or knife-edge test, which, although extremely accurate, is fairly easy to perform. This article contains all the details needed to make and use the rig.

  • Built with commonly available materials.

This is an original 3 page magazine article from 1958.
We do not photocopy these.
Article Includes

  • Measured Drawings and Diagrams

  • Complete Instructions

TELESCOPE MIRROR Foucault TESTING RIG How-To build PLANS

TELESCOPE MIRROR Foucault TESTING RIG How-To build PLANS

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Description

Plans for a Testing Rig for Telescope Mirrors. As a mirror is being parabolized or figured, it is necessary to check its progress at regular intervals. This check is made by means of the Foucault or knife-edge test, which, although extremely accurate, is fairly easy to perform. This article contains all the details needed to make and use the rig.
 

  • Built with commonly available materials.

This is an original 3 page magazine article from 1958.
We do not photocopy these.
 
Article Includes

  • Measured Drawings and Diagrams
  • Complete Instructions

Payment

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    • $5.00 other International shipping

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Filed under: Eyepieces & Accessories