1. According to Miss Latham, having set up the photographic plates in the observatory dome, they stepped outside. 2. The creature can scarcely have sabotaged a photographic plate without leaving any sign upon its wrapping. 3. The elements present emitted wavelengths which were recorded on a photographic plate. 4. The type specimen-the very substance-of this new form is a set of dark bands on a photographic plate. 5. There is an important difference between holograms on photographic plates and holograms on photorefractive substances. 6. The image appears on a fluorescent screen or a photographic plate. 7. A photographic plate, ionisation chamber or Geiger counter is positioned to detect the reflected rays. 8. Astronomers are pressing for all old archived photographic plates to be recorded electronically. 9. According to District Attorney Smith, photographic plates are kept in those cases and the results can be easily verified. |