Flights to St. Thomas and St. John. Enjoy a magnificent trip to St. Thomas and St. John, two islands that promise to provide a seaside paradise for you to revel in throughout your vacation.
A Relay Rack is a 2-post aluminum or steel structure with either EIA standard (round) mounting holes or universal (square) mounting holes. Relay Racks are also known as 2-Post Racks or Open Bay Racks. The vertical holes spacing on Relay Racks are standardized for mounting Telco, or computer / network equipment.
Image erecting optical system for astronomical telescopes (Erecting eyepiece). In optics, a relay lens is a lens or lens group that inverts an image and extends the optical tube. Relay lenses are found in endoscopes and periscopes for the purpose of extending the system, and before eyepieces for the purpose of inverting an image.