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2. Persol - Wikipedia

   en.wikipedia.org/wiki/Persol

   Persol is an Italian luxury eyewear brand specializing in the manufacturing of sunglasses and optical frames. It is one of the oldest eyewear companies in the world and is owned by the Luxottica group. The name is derived from the Italian per il sole, meaning "for the sun". Formed in 1917 by Giuseppe Ratti, Persol originally catered to pilots ...

3. Dual speed focuser - Wikipedia

   en.wikipedia.org/wiki/Dual_speed_focuser

   The Dual speed focuser is a focusing mechanism used in precision optics such as advanced amateur astronomical telescopes and laboratory microscopes. A dual speed focuser can provide two focusing speeds by using a set of co-axial knobs, one for fast focusing and another for fine focusing when the film or CCD is near the perfect focal plane.

4. s-process - Wikipedia

   en.wikipedia.org/wiki/S-process

   s. -process. The slow neutron-capture process, or s-process, is a series of reactions in nuclear astrophysics that occur in stars, particularly asymptotic giant branch stars. The s -process is responsible for the creation ( nucleosynthesis) of approximately half the atomic nuclei heavier than iron . In the s -process, a seed nucleus undergoes ...

5. AOL Mail

   mail.aol.com

   You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

6. Handschiegl color process - Wikipedia

   en.wikipedia.org/wiki/Handschiegl_color_process

   The Handschiegl color process ( U.S. patent 1,303,836, U.S. patent 1,303,837, App: Nov 20, 1916, Iss: May 13, 1919) produced motion picture film prints with color artificially added to selected areas of the image. Aniline dyes were applied to a black-and-white print using gelatin imbibition matrices.

7. Pan amalgamation - Wikipedia

   en.wikipedia.org/wiki/Pan_amalgamation

   The pan amalgamation process is a method to extract silver from ore, using salt and copper (II) sulfate in addition to mercury. The process was widely used from 1609 through the 19th century; it is no longer used. The patio process had been used to extract silver from ore since its invention in 1557. One drawback of the patio process was the ...