|4822165||Device for illuminating components of transparent material in testing for irregularities|
A device for illuminating components of transparent material by dot-scanning so that the components may be tested for surface irregularities and occlusions which comprises a component rotatably mounted so that the component may be rotated on its axis at a...
|4815844||Device for testing components of transparent material for surface irregularities and occlusions|
A device for testing components of transparent material for surface irregularities and occlusions which comprises a mechanism for rotatably mounting the component so that the component may be rotated on its axis; a mechanism for generating a light ray whi...
|4724479||Shielded, highly radioactive, wet chemical cell for an atomic plant with a contrivance for drip leakage recognition and method for use in a cell of this type|
A method and apparatus for detecting leakage in a shielded, radioactive hot ell having drip leakage-endangered sections, including a light source and polarizing element for irradiating the leakage-endangered sections with light, reflecting the light to a p...