| When at Basle, Erasmus procured him employment as a corrector of the press with Frobenius. |
| Panavision would then furnish them with corrector lenses that would focus the lens properly in their theater. |
| No corrector weights shall be removed or altered without the boat being re-weighed by an official measurer. |
| No lightning protector or power factor corrector can be used on the output side of the noise generator. |
| Both types benefit from the use of spherical mirrors and corrector plates to minimise their various aberrations. |
| Often, the production of an appropriate null corrector plate can be as difficult as the fabrication of the actual optic. |
