Rotary shaft lip seals are components designed in a ring form, fitted between machine parts in relative rotation, with the function of separating oil or grease from the inside and dirt, dust, water and so on from the outside.
Rotary shaft lip seals are components designed in a ring form, fitted between machine parts in relative rotation, with the function of separating oil or grease from the inside and dirt, dust, water and so on from the outside.
January 1946: The origins of Heathrow Airport
Interesting the first flight mentioned in your original 1946 article was a Lancastrian "Stardust" which became famous when it disappeared on...